1999 GMC Jimmy "spider injector cause misfire" Questions

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Question about GMC Jimmy

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...spider injector and all depending on the year it may have one central injector or 6 and then popets, these are lines that run to each injector, you will need to make sure the fuel pressure is good, ...

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Spider Injector) has an electrical pulse that is supplied from the ECM (computer.) The spider injectors definitely go bad some sooner than others! Not a pleasant job also an expensive job if u are not

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Question about GMC Jimmy

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...in my 1996 GMC Jimmy, which was causing the code P0302 to pop up. Since my brother in law replaced the fuel injector the code is now gone. (Either that or you may have to replace the fuel

...spider injector .if it goes bad like say leak into the intake it will cause these misfires if you have a scanner look at the o2 voltage output on bank 1 if it reads .350 or less and the other side is ...

...spider injector that runs to six poppit valves where the fuel is injected into the cylinders.It is possible that the poppit valve may become plugged. Before looking into this more I would verify that ...

...issues on a cold engine. GM has since redesigned the injector "spider" that works much better than the original. Not saying that's what's wrong with your engine, but it is common on them.

...spider injectors, plugs, wires, cap/rotor. No engine light and no codes. Runs much better but still misses under load. (going up a hill or passing on the expressway). Any help would be much ...

Question about GMC Jimmy

2 Answers

...misfire i changed the wires, plugs, spider injection, and distributor is new. I am stumped and aggravated. Oh and it's not the egr either .This may be due to a vacuum leak, but it can also be caused ...

...SPIDER INJECTOR SYSTEM THA HAVE ALOT OF ENTERNAL LEAKS THAT CAUSE MISFIRES.. The most common reasons are tired fuel-pump (with Chevys The pump PSI. needs to be 35 or better or the fuel pressure ...

Question about GMC Jimmy

3 Answers

...injector spider assembly, spark plugs, cap, rotor, and still have the #6 misfire. Any ideas what is causing this. Could be a valve seat burnt, check compression, if lower than the rest, probably that ...

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