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Which codes cause limp mode?

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Old Aug 1, 2007 | 10:03 PM
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Which codes cause limp mode?

I know oil metering pump will, but what all codes will casue limp mode?

I have the following codes:

30 (split air bypass)
33 (port air bypass)
38 (AWS)
39 (relief valve)

I know I installed a 330ohm resistor in each of the plugs, and I thought that was supposed to keep it from getting a code? the CEL doesn't come on, but when I pull for codes, these are there...will any of them cause limp mode?

Trev
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Old Aug 1, 2007 | 11:44 PM
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power fc time???
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Old Aug 2, 2007 | 08:13 AM
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None of those will cause limp mode.
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Old Aug 2, 2007 | 08:48 AM
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I would go with a PFC, but I have read that the car NEEDS to be in good health before you install it...
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Old Aug 2, 2007 | 09:08 PM
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Did you clear the ECU after installing the resistors? (Step on brake pedal while the battery is disconnected)
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Old Aug 2, 2007 | 10:31 PM
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Are you sure you've got a code 30 and not a code 3? Code 3 (crank position g sensor) will cause limp mode...
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Old Aug 2, 2007 | 11:02 PM
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Originally Posted by hub_01_69
Are you sure you've got a code 30 and not a code 3? Code 3 (crank position g sensor) will cause limp mode...
You know what...how do you tell? I get 3 slower lights...then black until it starts the 33... But, I had a TPS code when I was messing with it (12) and it was the first code to appear...if I were having a code 3, it would go in numerical order...

Trev

Last edited by supraturbo1987; Aug 2, 2007 at 11:09 PM.
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Old Aug 2, 2007 | 11:09 PM
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Can a TPS go bad and still have correct voltages and not be throwing codes?
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Old Aug 3, 2007 | 12:46 PM
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Originally Posted by supraturbo1987
You know what...how do you tell? I get 3 slower lights...then black until it starts the 33... But, I had a TPS code when I was messing with it (12) and it was the first code to appear...if I were having a code 3, it would go in numerical order...

Trev
Sounds like you do indeed have a code 30...

From fd3s.net:

"Identify the first (tens) and second(ones) digits of each code as follows: The first (tens) digit will display (flash) for about one second for each count, with a one-half second pause between counts. For example, if the first (tens) digit is three, there will be three separate one second long flashes, separated between by one-half second pauses.

There is then a 1.6 second pause between the last flash of the first digit and the beginning of the second (ones) digit.

The second (ones) digit counts flash for only one-half second each, with pauses of one-half second between them. For example, if the second (ones) digit is seven, then there will be seven flashes of one-half second, separated by pauses of one-half second.

In this example, the displayed code will thus be "37".

The system will then pause for four seconds before proceeding to the next code, if any. "
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Old Aug 3, 2007 | 01:31 PM
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gotcha
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