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Car Forum / Chevrolet / Chevrolet Trucks / September 200692 K1500 - low fuel pressure....
Got a 92 K1500 - 350TBI here that ran great right up until it slammed into the back of a brand new F350...... I only have 10psi fuel pressure at the TBI, fuel pump runs a long time when the key is turned on. Figured the pump fell off the sender in the accident but it didn't. Replaced the pump and still only have 10psi pressure at the tbi. Fuel lines are fairly new and I checked for crushed or kinked lines, they're ok. Any idea's ?????? Like I said, it ran great right up until the accident........... Thanks Brian Brian.......... Kill filters - The Enema Of The Usenet !!!!! > >Got a 92 K1500 - 350TBI here that ran great right up until it slammed into the back of a brand new [quoted text clipped - 10 lines] > >Kill filters - The Enema Of The Usenet !!!!! Do a fuel pressure check for pump (13 to 14 PSI) and regulator (9.5 to 10 PSI) ----------------- TheSnoMan.com >> >>Got a 92 K1500 - 350TBI here that ran great right up until it slammed into the back of a brand new [quoted text clipped - 15 lines] >----------------- >TheSnoMan.com TBI only requires 13-14 psi ????? Thats what I have with the new pump and filter...... How do I check the regulator ???? Thanks Brian Brian.......... Kill filters - The Enema Of The Usenet !!!!! >>> >>>Got a 92 K1500 - 350TBI here that ran great right up until it slammed into the back of a brand new [quoted text clipped - 25 lines] > >Kill filters - The Enema Of The Usenet !!!!! TBI is pretty low presure with the main line running 13 to 14 PSI or a bit more and it is regulated as stated above to 9.5 to 10 PSI at injectors. You need to test presure after regulaotr and before injectors. Regulators do go bad sometimes but not that often. What does truck do when it runs? ----------------- TheSnoMan.com > >>> > >>>Got a 92 K1500 - 350TBI here that ran great right up until it slammed into [quoted text clipped - 37 lines] > injectors. Regulators do go bad sometimes but not that often. What > does truck do when it runs? Neat trick considering that the fuel pressure regulator is downstream from the injectors. |
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