Question about 2001 Lexus RX 300

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Check engine never goes off no matter what is done

I have a 97 Ford F150 that has had a check engine light on for the past 3 years. Everytime and I mean everytime they do a diagnostic they tell me it is the O2 Sensor then the EGR - well I replaced them all. Then the tell me it is my spark plugs and wires - had them replaced along with the cap and new air filter - still ON. The second I can get it off I immediately take it to the shop, get the inspection and less than a day later - yup you guess it the check engine light is back on. My most recent experience to see how to get it off cost me around $1500 where they replaced or checked:

Computer Diagnosis and Smoke Machine Test
Pitman Arm
Balljoints
Solenoid
Value
DPFE Sensor
Air Filter
Fuel Filter
Throttle Body Cleaner
MAF Sensor Cleaning Service
Manifold Hardware

Again the check engine light never went off. Someone please give me another option or an idea because so far in repairs to try and get it off has cost be about $4000 in total over the last 3 years. I am tired of paying for diagnostic tests and just getting the run around of being told the same stuff.

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  • yadayada
    yadayada May 11, 2010

    I would spend the money and use live chat option.

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2 Answers

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  • Expert
  • 81 Answers

One or two things is going on it either is what i call a dummy light or ur computer is messed up may jus need to be reflashed or replaced.

Posted on Jun 18, 2009

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  • Lexus Master
  • 6,982 Answers

I would be insane to even attempt to offer a solution to your problem. Even in "normal" situations testing is the only proper means of reaching a viable diagnosis. Obviously you have gone further than Even I would be willing to go in your attempts to correct this. It's a shame that the manufacturers can't even fix the stuff they produce. It is likewise shameful that you essentially have been charged that much money for essentially not repairing your truck. For less money, you could have replaced every control and sensor, including the harnesses!!!
At the point you are at, I'd suggest you get rid of it and chalk it up to a bad experience. It is eating you alive, and is worth less every year you keep it. I take stuff like this as a challenge, but sometimes you just have to get practical and let the thing go. (or park it and make it a long term project, pulling the entire harness and system apart and checking everything over item by item, wire by wire.)
Get another vehicle and you will sleep better!!!!
You don't need to "rate" my answer...it's an opinion more than a "fix"

Posted on Jun 18, 2009

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