My TBI 1991 305 does not fire when cranking. Until the battery starts going dead. Which is then turning over at a slow revaluation. But it's still yellow (no fire). Is it my pick up coil? Or timing?

Asked by Torkerjr Feb 28, 2015 at 07:06 AM about the 1991 Chevrolet C/K 1500 Scottsdale Stepside RWD

Question type: Maintenance & Repair

Swap ECM/PCM COMPUTER.
Sense I'm going to a 305. From a
350. Or just wire a knock sensor into
the original ECM.

157,435

Bob answered 9 years ago

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My TBI 1991 305 does not fire when cranking. Until the battery starts going dead. Which is then turning over at a slow revaluation. But it's still yellow (no fire). Is it my pick up coil? Or timing? 1 Answer

Swap ECM/PCM COMPUTER. Sense I'm going to a 305. From a 350. Or just wire a knock sensor into the original ECM.

1991 Chevrolet C/K 1500 Scottsdale Stepside RWD

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Maintenance & Repair
My TBI 1991 305 does not fire when cranking. Until the battery starts going dead. Which is then turning over at a slow revaluation. But it's still yellow (no fire). Is it my pick up coil? Or timing? 2 Answers

Swap ECM/PCM COMPUTER. Sense I'm going to a 305. From a 350. Or just wire a knock sensor into the original ECM.

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My TBI 1991 305 does not fire when cranking. Until the battery starts going dead. Which is then turning over at a slow revaluation. But it's still yellow (no fire). Is it my pick up coil? Or timing?

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My TBI 1991 305 does not fire when cranking. Until the battery starts going dead. Which is then turning over at a slow revaluation. But it's still yellow (no fire). Is it my pick up coil? Or timing?

1 Answer

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