Restricted performance

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07-13-2023, 07:16 PM

Canadacat

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Restricted performance

Yup have had po430 code for two years now getting restricted performance with po308 code as well. I think it it must be the cat giving that po308 . Anyone had these tw0 codes before?

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07-13-2023, 07:25 PM

Canadacat

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Comes on under heavy acceleration as well, can drive fine but when i ooen it up i get the restricted notice

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07-14-2023, 08:47 AM

Cee Jay

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It's either fuel, spark or air. Have you done anything to find out which? Swap coils for example? Check the plug on #8?

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07-14-2023, 08:50 AM

Canadacat

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No I am going to try that over the weekend , looks like a pain in the *** to get to with the supercharger intake plenum in the way. Hate taking these thigs apart in case they break or crack.

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07-14-2023, 04:31 PM

McJag222

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Quote:

Originally Posted by Canadacat

No I am going to try that over the weekend , looks like a pain in the *** to get to with the supercharger intake plenum in the way. Hate taking these thigs apart in case they break or crack.

Not that hard, just takes time.

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