Question about 2003 Honda CR-V

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2003 CR-V Throttle Position Sensor replacement

I used a code reader to find the problem, purchased the sensor, and now I am discovering that it will mean removing the throttle body? I can do it but I want to be sure that is the problem before I start.I have read that- TP sensor is often missdiagnosed, throttle body has to be replaced (can't remove the TP sensor), and that it may be a loose/dirty conection. The idle is irregular, the rpm's are up too high at times, loss of power.........any feedback would be helpfull at this point. I have even been told that I may just need to clean the throttle body out due to possible fuel contamination. Please help...eager to get started on something!

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  • moonscalded Feb 16, 2009

    I will try this right away, thank you so much for the idea!

  • streckers Mar 10, 2009

    I have the same problem. What ever happened in your case. I'll do the cleaning and post back.

  • kkerr921 Apr 20, 2009

    Throttle position sensor - Throttle body

    @ 90K mile svc, honda dealer read diagnostic code p0122 indicating an issue with the throttle position sensor "A" low voltage. They also said that it must be replaced with the Throttle Body. Net-net $990.00 Plus tax.

    Looking for alternative (read cheaper) solution.

  • kkerr921 Apr 21, 2009

    Problem actually on Mom's vehicle. I have added Seafoam Fuel systme cleaner and used Carb cleaner spray. Some apparent benefit right away and will report further.



    One symptom that remained was a seemingly hard (at least rough) downshift into low gear immediately prior to coming to a complete stop. The other symptoms that mother described (that apparently have abated somewhat after the first gas treatment and a 90 mile roadtrip) were hesitation & rough upshifts. I suspected that she has gunked up her fuel system as she has put only 3K miles on vehicle since purchase with 87K 9 months ago. The road trip was with STP additive, Seafoam and spray done after trip, too soon to tell. I told her that her problem was likely caused by bulid up of deposits and hopefully reversable with treatment and some road miles. Comments anyone?

  • kkerr921 May 20, 2009

    Update on Moms TPS problem. After running a tank w/ seafoam & using carb cleaner spray as recommended by mrgreenz, the engine light went out and the symptoms went away... for a while anyway. Now the engine light is intermittant and a code check at AAP gives the same P0122. Symptoms are very mild when present at all.



    Further investigation revealed honda technical service bulliten 04-008 (2002-2004 CRV - All) that states "The throttle position sensor in certain throttle bodies becomes contaminated due to a manufacturing defect" (The seafoam and carb cleaner probably alleviated some of this contamination.)



    While the bulliten allows for the possibility of Honda "good-will" for out-of-warranty repairs for this problem, I was told by the regional service manager that Honda had removed his previously permitted discretion on allowing goodwill up to $500. on any particular case, and had also set a 75000 mile limit for consideration at upper levels.



    True or not, I just know that I ain't getting any. I will soon be replacing the sensor only and will post when complete. Maybe next week?

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Try cleaning the IAC (Idle Air Control valve.) by buying spray carb cleaner and removing the air cduct from the engine. On the fuel system side look into the hole and try to locate 2 holes on the side . With the engine running at about 1200 rpms, spray about 10 seconds worth of cleaner at the 2 holes. Turn the engine off. Let the cleaner soak. Then repeat procedure. The IAC can also be removed and cleaned if you wish.

Posted on Feb 16, 2009

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