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P0654, P0748 and P1644 codes

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P0654, P0748 and P1644 codes

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Old

Dec 29, 2003 | 07:21 AM

#1

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P0654, P0748 and P1644 codes

what is it and how can I fix it.

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Dec 29, 2003 | 03:10 PM

#2

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ttttt

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Dec 30, 2003 | 06:12 AM

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Ok the P0748 i think because i have TransGO Shift Kit.

How about the P0654 Engine RPM Output Circuit Malfunction and the P1644 Fuel Pump Speed Control Circuit Malfunction how can i fix it ?

The problem is when i start the engine the RPM go down and tern off
so i need your help... ?

Thanks
Adnan

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Dec 31, 2003 | 09:06 AM

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Any one can help me ?

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Dec 31, 2003 | 09:08 AM

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Quote:

Originally Posted by oOoLy

Any one can help me ?

The car is corvette A4

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2003, 98, circuit, code, corvette, engine, fix, kit, ls1, ls6, malfunction, output, p0654, p0748, p1644, rpm, shift

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