Recent content by BILL NIVEN

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Falls flat under acceleration

Check engine light will come on during the hard acceleration when it spark knocks.
- BILL NIVEN
- Post #11
- Mar 23, 2019
- Forum: Engine Performance + Maintenance
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Falls flat under acceleration

Fuel pressure under load was 12psi.
- BILL NIVEN
- Post #10
- Mar 23, 2019
- Forum: Engine Performance + Maintenance
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Falls flat under acceleration

Reset the TBI? I cleared and reset the computer with jumper wire between A&B terminals.
- BILL NIVEN
- Post #8
- Mar 22, 2019
- Forum: Engine Performance + Maintenance
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Falls flat under acceleration

My mistake will delete
- BILL NIVEN
- Post #6
- Mar 22, 2019
- Forum: Engine Performance + Maintenance
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Falls flat under acceleration

I need to verify fuel pressure under load, at idle its 12 psi with Schrader valve mounted in line coming out of fuel filter. No check engine light when starts knocking under acceleration.
- BILL NIVEN
- Post #4
- Mar 22, 2019
- Forum: Engine Performance + Maintenance
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Falls flat under acceleration

Can you tell me what the fuel pressure under load should br?
- BILL NIVEN
- Post #3
- Mar 21, 2019
- Forum: Engine Performance + Maintenance
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Falls flat under acceleration

1990 Silverado K1500 5.7 automatic. Under normal acceleration the truck runs good. Pull out to pass accelerating from 50 mph it has no power and spark knocks pretty bad. You can feel passing gear kick it but will not accelerate. I have a new TBI, IAC, fuel pump and filter, plugs, wires, ICM...
- BILL NIVEN
- Thread
- Mar 21, 2019
- Replies: 5
- Forum: Engine Performance + Maintenance
B
Falls flat under acceleration

1990 Silverado K1500 5.7 automatic. Under normal acceleration the truck runs good. Pull out to pass accelerating from 50 mph it has no power and spark knocks pretty bad. You can feel passing gear kick it but will not accelerate. I have a new TBI, IAC, fuel pump and filter, plugs, wires, ICM...
- BILL NIVEN
- Thread
- Mar 21, 2019
- Replies: 13
- Forum: Engine Performance + Maintenance