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Old 06-17-2010, 04:47 PM   #1
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Default Diagnostic Help

So I need some help! I just bought a MKIII non turbo. Same day I drove home and on the way home the gas would stick at 4000 RPM. So first thing I did was jump on here and look for tips.

First thing I did was run a diagnostic and got the following codes:

24, 32 and 51.

I looked them up and first step was to change the air flow sensor. following that I checked and cleaned the ISC.

I then reset the ECU and ran the diagnostic again. Now I only get the 51 error.

BUT the motor continues to Idl at 3000 RPM.

Any one have a tip?

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Old 06-17-2010, 06:11 PM   #2
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have you checked the fuses for everything?

just start with the cheapest thing and go up the list from there.

http://www.cygnusx1.net/Supra/Librar...aspx?S=FI&P=28
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Old 06-17-2010, 06:43 PM   #3
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Check to see if your TPS is adjusted properly. This only takes a couple of minutes with some basic tools, the steps to do it are here.
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Old 06-17-2010, 06:56 PM   #4
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Default Help

All right going to check fuses asap.

I noticed just a couple of minutes ago that there is a lot of play in the throttle rod. It moves in a sideways motion of +/- 1cm. Which means that the throttle linkage is not totally sealed. There is a rubber seal that seems to be worn out.

Any other tips are much need!

Thanks people!

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Old 06-17-2010, 08:34 PM   #5
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I had a injector seal go bad one time and it caused a high idle once, spray some brake parts cleaner near the injectors (best stuff to find leaks BTW) and see for idle change, ya never know.
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