No power at WOT
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From: Schoolcraft, Michigan
Car: 1978 El Camino SS
Engine: 350
Transmission: T-5 & 3.73's
No power at WOT
What would cuase a no power bog down at WOT on an '87 MPFI 2.8? Part throttle is fine and I can gradually get the speed up. But it wont do jack when floored.
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From: Belchertown MA
Car: 1988 Pontiac Firebird
Engine: 2.8 Lt
Transmission: 5 Spd
its a 2.8, u need a modern engine for that. If u are going like 3 mph and mash it to the floor, of curse it will bog down, if ur going like 10 and mash it then it will go. 
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From: Schoolcraft, Michigan
Car: 1978 El Camino SS
Engine: 350
Transmission: T-5 & 3.73's
Being a 2.8 isn't the problem 
. Not only will it bog down, but it won't build speed either at wot. Something with the system isn't working right.
. Not only will it bog down, but it won't build speed either at wot. Something with the system isn't working right. 
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From: Schoolcraft, Michigan
Car: 1978 El Camino SS
Engine: 350
Transmission: T-5 & 3.73's
Originally posted by camaro350man
O i see. Yeah take a look at the TPS and clean the TB out. Could be full of carbon. Hows it run besides at WOT?
O i see. Yeah take a look at the TPS and clean the TB out. Could be full of carbon. Hows it run besides at WOT?
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From: Schoolcraft, Michigan
Car: 1978 El Camino SS
Engine: 350
Transmission: T-5 & 3.73's
Originally posted by TomP
...which goes along with incorrect ignition timing... is the inside of the dist cap gunked up with carbon tracking?
...which goes along with incorrect ignition timing... is the inside of the dist cap gunked up with carbon tracking?
Would not having the VSS hooked up do this?
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Car: 1992 Camaro RS
Engine: 5.0L TBI
Transmission: 700R4
Axle/Gears: 2.73
No, the VSS should not cause that.
As far as I know, the VSS has no bearing on how the computer controls the engine (other than cutting it off at the speed limiter setting).
As far as I know, the VSS has no bearing on how the computer controls the engine (other than cutting it off at the speed limiter setting).
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Joined: Aug 2002
Posts: 3,827
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From: Gainesville, FL
Car: 1988 Chevy Camaro Hardtop
Engine: Turbocharged/Intercooled 3.1
Transmission: World Class T5 5 Speed
2.8, maf, right? Go rap on the MAF with the handle of a screwdriver while idling - see if it stumbles.
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From: Belchertown MA
Car: 1988 Pontiac Firebird
Engine: 2.8 Lt
Transmission: 5 Spd
Mine is bad on my car and have to wait on money to replace it, but hitting it does not always work. Only sometimes. Exchnage it to make sure
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From: Schoolcraft, Michigan
Car: 1978 El Camino SS
Engine: 350
Transmission: T-5 & 3.73's
Problem solved. The stock fuel line for the carb'd 2.8 was too small to support the needs of the injection
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Joined: Oct 2001
Posts: 8,113
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From: NWOhioToledoArea
Car: 86-FireBird
Engine: -MPFI
Transmission: T5
Axle/Gears: 3:42
Originally posted by CHVYPWR
Problem solved. The stock fuel line for the carb'd 2.8 was too small to support the needs of the injection
Problem solved. The stock fuel line for the carb'd 2.8 was too small to support the needs of the injection
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