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305 will not stay on
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Posted: 08/29/08
10:12 PM
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I have a 1991 rs with a 305 it's been giving me alot of trouble it backfires and now it doesn't even want to stay on more then 30 seconds can someone help me please
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PMJ76
User
| Posts: 58
| Joined: 12/07
Posted: 09/01/08
02:43 PM
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Check your fuel pressure. EFI needs something like 45 psi to operate correctly. Cant remember the exact amount.
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nate3121
New User
| Posts: 5
| Joined: 09/08
Posted: 09/01/08
06:33 PM
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if the fuel pressure if off of spec by more than a pound or two it won't run. check that first its and easy check
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55Guy
Enthusiast
| Posts: 729
| Joined: 08/07
Posted: 09/02/08
06:53 AM
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A TBI motor doesn't run with that much fuel pressure, more in the high 20s to low 30s.
Is the car throwing a check engine light? If yes, pull the code and see what it says. your problem could be anythign from a bad fuel pump to a clogged filter to a bad TPS or MAP sensor.
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