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1994 Buick LeSabre - Page 2 Questions & Answers
1994 DELICA TURBO 2.8 DIESEL
i have same problem with my 92 2.8 delica, it is the fuel pump front seal leaking/losing fuel, into crankcase, then on cranking after cutout re-fills then ok for the rest of the trip, cheap fix replace seal[if shaft isnt too worn]or overhaul complete pump. hope this helps you Ian.
Why, all of a sudden, does it sound as though its misfiring?
- Most likely a loose spark plug wire or a vacuum hose is off.
- look over the engine while running listen for hiss to find vac leak and look for sparks around plugs and distributor
- turn off
- plug vac back in and check both ends of the plug wires so there snug
Hope this helps Mike
Feul injectors not pulsating
The voltage for fuel injectors go hot with the key on. The computer switches the ground on and off, check voltage and ground.
If the computer doesn't ground the fuel injectors, you'll have voltage on both legs.
If computer doesn't see rpm signal, it won't ground the fuel injectors. If no rpm signal check the crank sensor and ignition module, plus wiring circuits. Don't replace anything unless your testing points in that direction.
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