low power
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T
1996 k2500 low on power
1996 k2500 5.7 fuel pressure is 60psi with key on engine off when it is idleing it drops down to 50psi and after i turn it off it will drop to 0psi. reason i checked fuel pressure is truck is low on power all across the rev range. is there anyway to tell if it is fuel injectors vs fuel regulator...- Tuffbetoken
- Thread
- 5.7 fuel pressure fuel pump fuel regulator low power vortec
- Replies: 1
- Forum: Engine Performance + Maintenance
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J
2000 gmt400 3500hd 7.4 vortex low power
Hi folks I'm new here and this is my first post. This should be the right place for questions for this truck. Truck has 90k miles with a 12' flat bed. Fuel pump had been replaced before it was parked a couple years back. When got it up and running had low power, wouldn't hardly pull itself...- jtbarnes67
- Thread
- bleeding off fuel pressure fpr fuel pressure low power
- Replies: 18
- Forum: Engine Performance + Maintenance
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97 vortec 305 intermittent low power, poor mpg rough idle in park.
I have a 97 c1500 5.0 vortec it has weak acceleration, poor idle, and horrible mpg. Ive replaced a lot on this engine including all ignition except for the distrutor, and upgraded the injectors to mfi. Still feels the same. Once in a while it will feel better like it has good power again, but...- McSweeney
- Thread
- bad mpg low power maf poor idle vortec 5.0
- Replies: 4
- Forum: Engine Performance + Maintenance
