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engine dies when accelerating


bobbo

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i have a 90 GP STE 3.1, engine runs fine when driving normally, when you accelerate quickly, the engine completely shuts down and is sometimes hard to start, but eventually does (after truning key of and then back on)...have replaced coil module, crank sensor, TPS...and ECM(but kept original Memcal).......does NOT give any codes.....

could the Memcal be faulty?

 

thanks for your help..........

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sorry, midnight rider, i should have mentioned i have checked fuel pump pressure, 35psi and already have replaced the fuel filter.....

 

this prob has me stumped....... :evil:

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