#2 08-30-2014, 06:41 AM. This is the most common symptom of a bad optical sensor on a Johnson outboard engine. Find many great new & used options and get the best deals for 881070T Mercury Mariner 30-150 HP 4 Stroke OUTBOARD Throttle Position Sensor at the best online prices at eBay! Free shipping for many products! Feb 10, 2024 · The throttle position sensor (TPS) is a critical component in a vehicle’s engine management system, responsible for measuring the position of the throttle valve and relaying this information to the engine control unit (ECU). I have a 2006 Mercury racing optimax 250xs. Intermittently flashing of check engine light for no apparent reason. TPS2_RangeLow: 311: Throttle position sensors A and B: 6: The device, calculation or process detected a fault. The replacement throttle position sensor (TPS) must be correctly aligned on the throttle lever bushing. The resistor is supplied with a voltage, and the wiper arm of the variable resistor returns a variable voltage proportionate to the throttle Apr 13, 2024 · When it comes to steering angle sensor function, the symptoms of failure are quite different from those of a throttle position sensor. 5 volts is typical. Sep 2, 2018 · This video will outline troubleshooting of the Throttle Position sensor and circuit for the Yamaha MX-V FI system, including error codes;P0122 – TPS Circuit I have a 2000 Merc 200 EFI that seems to be having a TPS problem. 3 vdc and @ WOT 4. TPS Mercury part # 832952-11. Jun 10, 2008 · Messages. 287. It runs very smoothly however it does not get to full power. Optimax is a fairly complex system. Still consider myself a " Marine Apprentice " after Jul 23, 2022 · Symptom 4: Carbon Deposits. Engine doesn’t miss a beat however I could be idling in gear at approx 625 RPM’s and all of a sudden out of nowhere the engine will begin this erratic idle with the RPM’s fluctuating for several seconds which triggers the check engine light and the intermittent horn sounding (NOT a constant beep). 99 $ 139 . It looks like the sensor should have a varing resistance with the temperature change. 71 vdc. This throttle position sensor should fit many Mercury Mariner EFI outboards with 150-200 Hp from 2000 and 2001. Order Mercury Mariner Throttle Position Sensor (TPS) online today. or: Mercury Outboard; Suzuki Outboard Parts. April 5, 2022 at 10:48 pm #2114190. Sep 4, 2012 · Sep 3, 2012. 1L Cross Ref #: 8M6000623, 881879010, 8818793 Mar 18, 2024 · Mercury 250 ProXs 4S Throttle Position Sensor. Authorized Dealer. 4. Refer to the appropriate Evinrude E-TEC Service Manual before attempting any service repairs or part replacement. 8M6005165 Throttle Position Sensor. Dec 6, 2023 · This item: Throttle Position Sensor for Mercury Outboard Quicksilver Marine Boat / 75HP 80HP 90HP 115HP 125HP # 898042 $139. Read here for more information. My understanding is that the temp sensor is used to send a signal to the gauge on the dash it was not hooked up when i connected it I still had no reading. Oct 7, 2023 · Basics of engine throttle position sensors Throttle position sensor explained Bad throttle position sensor (tps) symptoms Denso® w0133-1653105-nd Manual and Guide Full List Menu Aug 9, 2023 · Clean throttle body and plate, test and replace throttle position sensor. Anyone know how to test a throttle position sensor for a 1998 Optimax 135 HP fuel injected outboard. Symptoms of a faulty throttle position sensor include: Apr 22, 2020 · DT30C Throttle Position Sensor Test. Getting ready to send them off for cleaning. I tested the TPS sensor with a Digtal meter. It was overheating - Answered by a verified Marine Mechanic Throttle Position Sensor Lever 883081. Disconnect battery cables at the battery. Sep 2, 2012 · Take a junk piece of stranded wire and strip a few inches, cut off a few 3-inch strands, bend them into a U-shape, tuck them into the female connector holes and plug the connector back together with the wire strands hanging out of the side of the connector boot. Nov 20, 2023 · When the throttle position sensor starts to fail, it sends incorrect information to your car's computer, often leading to reduced fuel efficiency. . I have twin 2007 175df motors on a charter vessel I use every day. This leads to issues like trouble in engine start, low acceleration, and heating up of the engine, all leading to engine damage. Add to list. Mercury Quicksilver 8m6005165 - Throttle Position Sensor, Tpi is equivalent to parts: 9-32000 Mallory Marine. This can be a sign that the ignition trigger is not sending the signal Oct 25, 2022 · Symptoms of a bad throttle position sensor on a mercury outboard engine? Updated: 10/25/2022. Easy, No Hassle Returns. Model number: 12500033A. Jun 17, 2024 · Find many great new & used options and get the best deals for Mercury Optimax 225hp outboard throttle position sensor (83295211) at the best online prices at eBay! Free shipping for many products! Mercury Optimax 225hp outboard throttle position sensor (83295211) | eBay Aug 8, 2022 · The symptoms of a bad throttle position sensor include poor fuel economy, lack of engine power, a rough engine when idling, lack of power when accelerating, and engine misfires. With no thermo-sensor: idle smooths out, but is high -1100 rpms -usually 850. Over the last year or so, the port side engine (about 1300 hrs) has what acts like a fuel starvation issue at certain speeds. Replace spark plugs, ignition coils, clean fuel injectors. ∙ 12y ago. Step 4: Reinstall the negative battery cable. I bought the boat in 2001,later that year it had a problem taking off. That's right! If the sensor is faulty, it will cause your car to shake heavily. 0L. 95,415. When you start the engine, there is no problem. 7L 8. S Only) Buy MERCURY OEM THROTTLE POSITION INDICATOR - 8M6005905 FREE Shipping on qualified orders - Boats. Debris such as fishing line, excessive seaweed, beer can rings, or nearly any other material can wrap around the propeller and its spindle. We know this because unplugging certain sensors momentarily (TPS or port head temp sensor) which results in a 40% fuel increase or directly spraying fuel into the cylinders 175 DF problem. I built one in high school (9ft. Typical Smartcraft Dual Outboard Installation 2002 Model Oct 6, 2016 · The PCM "learns" the TPS position at keyup/startup, and ASSUMES that position is "idle". Max rpm in water 2k. As a result, carbon deposits will also occur in the intake duct, intake valve, and cylinder. I have had this problem for the last 18 months occasionally at first (maybe once every 2-3 fishing trips), but now happens at least once every bass tournament. The throttle position sensor (TPS) is typically just a variable resistor. backya Jul 25, 2021 · In this video, you will learn 5 symptoms of a bad or failing camshaft position sensor. 1999 OPTIMAX 200HP THROTTLE SENSOR. I have read where this is a common problem with these motors. The correct meter reading is 0. . Aug 7, 2006. A bad throttle position sensor will affect performance in any range where the sensor is providing errant data. Max rpm 5k. Additionally, the tester can be used to test Mercury Outboard EFI injectors. 881070T Throttle Position Sensor, TPS, 40hp 4-Stroke. I have had the motor in for service 3 times, am $500 in the hole and no closer to a solution. Exact OEM part in new condition. The throttle position sensor reports the throttle aperture to the ECU and this information is vital not only for the fuel delivery control but also for the automatic Apr 5, 2022 · 2011 250 Mercury Verado shift actuator alarm (critical) Alex Templeton. posted 06-17-2008 10:41 PM ET (US) My 1998 Mercury 225 EFI is not firing on cylinders 1, 3, and 4. Older models of Optimax 150 DFI have an issue of cold start stalling. I am getting the engine warning frequently. Fuel System Issues: Fuel Pressure Problems: This is one of the most common issues with the OptiMax 200. Being aware of the signs of a failing throttle position sensor can enable you to identify and address the issue promptly. One of the most common symptoms of a bad ignition sensor on a Mercruiser is trouble starting. Price: $75. A test harness is generally attached to the sensor, between the sensor and the wire harness. FULL WARRANTY. All of our Mercury outboard parts are from freshwater Wisconsin. 00 +$8. Faulty Impeller. If your boat is having trouble starting, it could be due to a defective ignition sensor. Not as much. Step 1: Install the new sensor. Evening folks, I have a 2011 250 verado that’s Feb 3, 2022 · Here are some of the most common symptoms of a bad sensor. Jun 9, 2008. Malfunctioning Fuel Pump. Visit MarineEngine. w/ 82 hp snowmobile engine) to my present Seadoo 2001 Challenger 2000 w/ Merc 240 EFI. 4 - 1. May 16, 2006 · Mercury & Mariner Outboards . Went to plane off an hour later and it got up and started a May 28, 2022 · Mercury-Mercruiser 8M0097035 Throttle Position Sensor TPS. Sep 6, 2022 · This item: Quicksilver 8M6005165 Throttle Position Indicator (TPI) for Select Mercury and Mariner 75-300 Hp Outboards Get it as soon as Monday, Jul 8 Only 15 left in stock (more on the way). I have a bad TPS. 99. Since you are getting no other symptoms other than the alarm, it's too early to even make an educated guess as to which one is failing (they can cause significantly different symptoms when they do go completely). Sep 14, 2004 · Optimax Throttle Position Sensor? I have a persistent problem with my 99 225 Optimax (on a 620 Ranger)that has plagued me since July. motor shuts off when put in gear sometimes. Re: Temp Sensor - knowing when it's bad? And make sure your thermostat housing is properly grounded. net. If your outboard motor will not throttle up, the issue may be as simple as a tangle. @ Idle . At this point I called for a tow. Part #: 8329522. I have a Inline 6 115HP Mercury with an eletric type themostat and temp sensor. This can prevent one or multiple cylinders from receiving enough voltage or sparks, causing a rough start or run and misfiring. Does this sound right? Engine starts fine and idles though somewhat roughly. When you pushed the throttle all the way the engine would only go about 1000 rpms or so. Sudden surges in speed while driving on the highway. As your car idles, there should be relatively little movement in the position of the throttle. Cold Start Stalling Problem. May 8, 2011 · Symptoms Of A Bad Ford TPS. I guess my real question is, will a standard optimax, like lets say 225 Dec 22, 2009 · Either the MAP (manifold absolute pressure sensor), MAT (manifold air temperature sensor) or TPS (throttle position sensor). SKU: Aug 29, 2014 · Greenville, SC (US) Posts. Stop browsing in the dark. See Full Details. The signal wire should vary with throttle position. While a faulty steering angle sensor can lead to issues like an unresponsive or wandering steering wheel, a malfunctioning throttle position sensor may cause problems with acceleration or idling. Photos and descriptions provided via Mercury may not always be accurate. MERCURY OEM INDICATOR THROTTLE POSITION OUTSIDE) | 8329522. May 26, 2009. Alright thanks pyro!! Jul 23, 2022 · The troubleshooting process involved purging any air from the engine and unplugging 2 wires from the oil sensor. I have a 2004 Honda 150HP engine I broke the TPS Throttle Position sensor located on the engine throttle body assembly. 0 - 4. This TPS had been replaced 3 years ago for $230 (parts only), I do all my own work. the cause was corrosion was squeazing the grommet and restricting Sep 23, 2017 · Sometimes at idle switching in FWD and REV while docking it will STALL. I took it to a Merc dealer and he found that the TPS switch was out of adjustment. The optical sensor in an outboard engine sends a signal to the switch box or power pack to release a spark or voltage to the ignition coil. Blue Yellow. This data is essential for controlling the fuel injection and ignition systems, ensuring optimal engine performance. I believe that the throttle position sensor may be faulty not allowing the timing to advance. Check out free battery charging and engine diagnostic testing while you are in store. So, if the optical sensor goes bad, it will fail to send the signal, resulting in intermittent or Dec 6, 2016 · Part 2 of 2: Installing the New Throttle Position Sensor. Acceleration choppy, motor bogs down. After all that [my 1998 Mercury 225 EFI] is still missing Jan 3, 2008 · Forum Rules. Sudden idle surges. Jul 25, 2013 · 2006 50HP 4 stroke EFI After several trips to the certified mechanic and much$$, they now tell me it's the injectors. The tiny little plastic arm on the TPS (where the metal rod connects to the plastic sensor) was broken when I got the engine. Bumped a stump while idling during a tournament Saturday, engine shut off, I put engine back into neutral and cranked it up again and idled another 200 yards with no issue. Quicksilver is the premier supplier of Mercury Marine Original Equipment replacement parts and accessories. Dual Mercury Master Technician - for Mercury Outboards, Mercruiser and Mercury Racing at European Marine in Greenville, SC. You will receive one used Mercury Mariner throttle position indicator in great working condition. Hello! I recently purchased a 1992 DT30C. just replaced Jan 19, 2016 · This is a 3 wire sensor. The exhaust color is usually darker when running rich. Sputtering and Running on Fewer Cylinders. See details Due to manufacturer policy OEM Mercury products can only be shipped to addresses item 3 200 225 hp mercury optimax outboard tpi throttle position indicator 832952 200 225 hp mercury optimax outboard tpi throttle position indicator 832952 $95. 3L 5. So I look at the book an the specs for the TPS state @ Idle voltage should read . 08-26-2013, 01:49 PM. Mercury Mariner Jul 23, 2022 · Symptom 1: Trouble Starting. Warranty will probably not cover it due to it was most likely done the shipping process. This could present itself in various ways, such as hard starts, stalling out after starting, or difficulties turning the engine over. Replaced both pumps and float checked hose and cleaned regulator, flushed out injectors and rail, new filters. 7 volts to 4. It can be used to test the CD module, distributor cap, Ignition coil and plug wires. Eventually, if this issue is left unattended it will put major stress on your motor and transmission mounts to the point where they will give out and will need replacement. The problem can be caused by a faulty fuel pump, a clogged fuel filter, or a leaking fuel line. Finally, the air gap between the sensor and the flywheel is checked to make sure Apr 21, 2018 · Yamaha TPS - Throttle Position Sensor - is one of those topics that you never heard about, until it leaves you high and dry by the side of the road with no w There are many symptoms of a failed throttle position sensor. #1. #3. Ask the experts on our Yamaha Outboard Forum for repair issues, diagnosing problems, links to diagrams, suggestions on buying parts and more. Jul 11, 2012 · Re: 1999 optimax problem. Wrap the strands around the test leads. See 1 more picture. 00 shipping May 12, 2007 · Re: Throttle position sensor Yamaha 225 excel ymtek: Symptoms: Motor ok cold. USD 14. https://www. If rpm's are run up to +/- 1400 to 1600 the motor Jan 9, 2013 · Hello Everyone. 10+ In Stock. They are susceptible to water ingress which causes corro 40HP 4-Stroke Parts. Connect the negative test lead to the orange wire. Tangled Propeller. Guaranteed product fitment. Locate the throttle plate linkage on your Mercury 150-HP OptiMax motor, and follow the linkage to the throttle position sensor. Hello Forum, I have a 90 efi 4 stroke Ser# 1B475763 I bought this motor knowing it had fuel issues. 7 vdc. Ignition system issues, fuel delivery problems. 2010 496 mercruiser 375 hp. Feb 1, 2012. When your boat has a bad fuel water separator, the debris and water will enter the fuel filter. You will also learn about the function, Qty: Our Item# Item Description : Avail: Unit Price: 1-97-8M6000623 Sensor Pressure Fits Mercury 2. While some of these symptoms could also be signs of other engine issues, watch out for these symptoms of bad TPS, or throttle position sensor. Then I got critical low voltage 4602-23 but volts were showing 14. Multiple Full power cycles cleared it but it also took multiple attempts to start the engine. jump a ground wire from the housing to the engine somewhere and see if it starts reading accurately. IAC Motor Failure. Carefully follow these instructions to ensure correct procedure. P0121: Throttle Position (TP) Circuit Performance Problem. 51 volts at closed throttle. All of our Mercury parts are sold and priced EACH. Throttle Position Sensor Installation. If for some reason the throttle was not fully on the idle stop, PCM "mis-learns" the idle position, resulting in faults that don't relate to a failed sensor. Snug screws down evenly, reconnect link rod. And even if you had gauges they wouldn't tell you much more. We have determined the poor running when cold issue is a lean fuel condition at cold idle. Aug 6, 2019 · Here are the most common symptoms of a bad or failing MAF sensor: Idle Issues – Your Mariner may run rich or lean when idling, or it may also idle erratically. Jul 30, 2013 · Hi i have a 2003 mercury efi that had the same problem. message saying that there is something wrong with the throttle position sensor. Symptoms of bad throttle valve position sensor in your car. Symptoms include engine stalling, hesitation, and difficulty starting. Jul 14, 2013 · Connect the positive test lead of my Fluke Meter to the pink wire on the TPS. Dual_TPS_Faults: 331: Throttle position sensors A and B difference: 6 Hi I’m the owner of a Mercury Optimax 135 HP 2009 model. 0L 5. has good compression and new plugs. $285. Free Same Day Store Pickup. Then tighten them down using a screwdriver. The resistance of the sensor can also be checked. Step 2: Install the sensor mounting screws by hand one at a time. It was running smoothly when, out of nowhere, it started missing. Nov 27, 2023 · mercury outboard throttle position sensor 2023-01-07 3/3 mercury outboard throttle position sensor what is the throttle position sensor plus symptoms Jul 23 2023 the throttle sensor monitors the functioning of the throttle it s a potentiometer that provides a variable resistance depending on the throttle valve opening mrclean1. Best Answer. This indicator is a vague symptom, as it could also point to a variety of issues, but you Aug 7, 2006 · 1. Quick history: Throttle position sensor checked with 12 volts. com for Mercury Quicksilver 821664 - Throttle Position Sensor 821664 price, stock and delivery options to May 29, 2018. Apr 12, 2023 · In this video, we'll discuss the common bad Throttle Position Sensor symptoms (TPS) and how to Reset/Recalibrate it. I had all six injectors refurbished, [installed] new plugs, and [installed] a new throttle position sensor (TPS). A rich condition is when there is not enough air relative to the fuel in the air/fuel mixture. Symptoms and signs of a bad throttle position sensor (TPS), how it works, and how to see if it has failed. Mar 26, 2022 · In this video, you will learn 4 symptoms of a bad throttle position sensor. Symptoms of TPS failure are - speed wandering all over the place even though you aren't touching the throttle, surging/stalling, and engine knocking (although there is probably an anti-knock sensor too!). Shortly after I got the same code again. Erratic resistance (unplugged) through all rotation. Posts: 5. Visit 821664 - Throttle Position Sensor. Watching this video will help you diagnose to see if it's time to repl . Wiki User. Adjust sensor until correct reading is attained. The CDI 511-9701 Battery CD Tester is highly recommended due to its ability to fire the Ignition systems up to 3000 RPM without the engine running. 2021 ProXs V8 4 Stroke. It should be slightly open, allowing in just enough air to keep the car running at an idle. Basically the TPS is one of many inputs into the computer to set engine May 12, 2015 · There are HPDI's and then there are HPDI's. I cruise the engines at 3900, and at that speed (and occasionally at May 4, 2013 · 1999 Mercury Optimax 200 HP – SN-0G804003 – with 4 alarm cluster on dash. Quicksilver is part of the Mercury Marine family of companies. Typically has 3 wires. I agree. Mine has two of these sensors, about $120 each. Hello to anyone who might have an idea for me. Sudden engine stalling without any apparent reason. The lack of a spark to ignite the fuel mixture, which results in the engine not starting, is a common sign of a bad trigger. Thread 1999 OPTIMAX 200HP THROTTLE SENSOR only one tps on 99 opti 200not pair. Use a voltmeter to determine which is which. It stops when I shift into neutral and back into gear. A bad throttle position sensor can cause other issues on your car if left unattended. Mount the new sensor in place. I have a 1999 Mercury 200 EFI. Searching the internet, there are Honda automotive 3rd party TPS sensors that can be used as replacements. At some point in the day when I start the motor it seems to be running rough (maybe running on less than 6 cylinders). Oct 18, 2011 · We have troubleshot the entire fuel system and ignition system as well as sensors. 49-0. $14. TPS2_RangeHigh: 25: The input circuit for the sensor is below the valid limit. 04 2019-01-01. 00 to 5. Serial: 3B002894. Symptom 1: No Spark. Feb 21, 2012 · Symptoms of a Faulty Throttle Position Sensor. Honda Marine requires me to buy the entire throttle body assembly for $452. If someone changed the thermostat and didn't use a mercruiser gasket it could be losing ground. anyway cut a long story short after checking thermostat impeller etc my issue was the rubber grommet below the power head on the adaptor plate. Make sure the Link Rod is OFF. Dec 8, 2023 · Find many great new & used options and get the best deals for 200, 225, 250 300 hp Mercury 821664 Throttle Position SENSOR ASSY & bracket NLA at the best online prices at eBay! Free shipping for many products! Feb 1, 2012 · New member. Right after, the engine dies even when there are no fault codes. 04-22-2020, 04:18 PM. The sensor I had would only adjust between the readings of 3. I am new to the formus, but not to jet boats. 1. my problem was that the tell tail was pumping fine or thats what i thought. Earn +20 pts Q: Symptoms of a bad throttle position sensor on a mercury outboard engine?Symptoms of a bad throttle position sensor on a mercury outboard engine? May 26, 2009 · 15. 87. Just before the screws draw down, make sure the sensor is "centered" in the screw holes (rock counterclockwise and then clockwise to get an idea of center). An unexplainable bucking and jerking in the vehicle. 5 volts, sensor ground and signal. Watching this video will help you diagnose to see if it is time to replace your b Throttle position sensors are one of the common causes of surging, stalling and poor engine running. You need a manual. Yamaha Water Pump Repair Kit 692-W0078-02-00. Mar 1, 2017 · Make sure the key is OFF. Jul 11, 2006 · 07-19-2006, 10:04 AM. $26. The most common symptom is your check engine light. 821664 : Sensor, Throttle Position Mercury 3. engine starts and runs if you give it some throttle, fuel psi is 42-44psi. You'll have the check engine light on, for sure, on your Ford or Mercury's instrument cluster and one of several of the following symptoms: TPS diagnostic trouble codes (DTCs) stored in the vehicle's computer's memory. Engine sputters, loss of power, hesitation. Unstable idle speed, stalling during idle. Throttle position sensor B: 24: The input circuit for the sensor is above the valid limit. 00. Diagnosis requires checking fuel pressure with a gauge and identifying View online or download Mercury 175 EFI Service Manual. Step 3: Reinstall the connector the same way you removed it. 5L Mercruiser 4. The boat would not even plain. The output peak voltage is then checked for specifications at various RPM's. Mar 28, 2023 · Symptom 1: No Spark. It may fit more than this. They can answer questions for any Yamaha outboard model or horsepower. Runs about 3 minutes, warms up and sputters and stalls out. @ WOT 4. 5! Then I got a Throttle position sensor 342-6 and then a 341-6. Install sensor assembly, with one-drop of red loctite on the screws. 99 Only 2 left in stock - order soon. Hesitation while accelerating. 00 ranges. TPS is usually found on the end of the throttle valve shaft. Upgrade your browser for free. My problem was only at mid range between 2400-3600 RPMs and not consistently. 11 vdc. 04. Text Us (U. P0122: Throttle Position (TP) Circuit OEM Quicksilver/Mercury Throttle Position Sensor Kit 305/350/454/502 805226A 1 Please confirm fitment of MerCruiser parts with your serial number. Bad Spark Plugs. Rough Idling. bp uy ty nb ts bd yb yi er je