Question about 1996 Chevrolet Tahoe
Hard to start just changed fuel pump and fuel filter fuel pump done 6 months ago and changed fuel filter a month ago now its hard to start and shutters while accelerating and some times losses power under real hard acceleration almost like its going to die lots of power when cold and hesitate,s to accel on highway when going up hills
You sure filter is facing flow correctly?:I'd check that first,some cars/trucks have in-line filters.
Posted on Feb 10, 2014
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Posted on Jan 02, 2017
Check the fuel pressure regulator and the EGR valve, I would check the fuel pressure regulator first and go from there. Good luck and keep me posted. Not sure what the pressure should be but thinking it's 62 to 65 PSI upon start up and should drop 5 PSI when engine running, check the vacuum line to the regulator.
Posted on Dec 09, 2009
If this engine is a VORTEC then you may have a problem with the internal fuel system. Under the top plenum there is a fuel reg and poppet valves that inject fuel into the cylinders. Sometimes the tubes that run fuel from the reg to the valves can leak and cause your problem. This cannot be found with pressure check because this occurrs after the reg. PS fuel mileage will go down. Let me know if this helps.Moe
Posted on May 26, 2009
sometimes using a fuel additive might help. K44 i think is what it is called helps clean the injectors....hope this helps
Posted on Jul 31, 2009
Check the catalytic converter, I have the same problem, replaced fuel filter, and crank position sensor, didn't help although the fuel filter was dirty. The car has no power, engine knocks horribly when trying to accelerate up a hill/on ramp. Starts, idles good, lousy power off a stop (should sqawk tires before traction control kicks-in)
Posted on Jul 30, 2010
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