1987 GMC Jimmy engine has no power. 2.4 engine

Mike Butler

• 6674 Answers
• Posted on Jan 25, 2009

SOURCE: 1986 gmc jimmy fuel filter location

Check by lower rad hose in engine compartment, in fuel line.

SOURCE: 2000 GMC Jimmy won't start

i had the same problem and replaced the fuel pressure regulator. Cost about $45 at advance auto store or about $90 at napa auto stores. Once i replace that my truck started right yup and runs like a champ

michael schultz

• 1068 Answers
• Posted on Sep 18, 2009

SOURCE: 1987 gmc jimmy wont start

yea you have no fuel and sound like a bad harness and the gm's are know for there fuel pump harness's! did you change it when you changed the pump? there is a lose connection somewhere in the fuel delivery system and it's pretty simply! i would check the fuel pump relay on the left hand side of the engine compartment and maybe even put power to the pump at the relay position "b" on the fuel pump relay harness and there should be a one pin connector to put power to also connected to the same position on the relay "b" the wire should be tan and white! good luck

SOURCE: 1997 GMC Jimmy has no power to the fuel pump. Is

fuse in the fuse box. also the power to prime the pump starts at the oil pressure switch. check that out too. then the relay for the pump in that order

SOURCE: 2000 GMC jimmy slow acceleration sounds like its

Hi,
You may have one of your ignition wires, specifically the one going from the coil to the distributor grounding out to the chassis, due to electrical leakage or a nick in the surface. It could be worn in one spot that it touches the engine intermittently . This could be causing your coil secondary voltage (spark voltage) to be "leaking". This can cause what you are observing when you accelerate.
1 To handle this examine very closely your ignition wires to make sure they are in good condition and that nothing is grounding out to the chassis.
2 If your spark plugs have not been done in while then go ahead and replace them
Hope this helps,
Best,
Mark