Question about Chevrolet Cars & Trucks
When my truck hesitates and i accelerate it tries to backfire on me.. what causes this?
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Posted on Jan 02, 2017
SOURCE: idles but no acceleration?
Their are a few things that would cause that to happen. Check your plug wires to be sure they are on tight. If you havn't had a tune up in a while I would definately replace the wires and spark plugs. Both are things that cause those problems. I don't what you are driving but if it is newer you also might have a bad ignition module. If you have no distributor then you will have those instead. Their also is the possibility of the timing being off. While this tends not to happen by itself it could happen if your timing belt needs to be replaced. When the belt strecthes over time and use it can cause to throw the timing off. I hope this helped you out. It woulod be appreciatted if you could rate my answer. Thanks, MIKE-
Posted on Aug 25, 2009
most likelly it is your fuel pump is not puting godd fuel pressure
have the fuel pressure test and if it is low have the fuel pump and filter replaced
Posted on May 28, 2008
check everything you can under the hood your air intake system all of it especially make sure all clamps are tight .. and make sure all vacuum hoses are good and not cracking or broken or just loose . you might run a little fuel cleaner through a tank of gas too cleaning the engine fuel system up some. just a few ideas.. Jerry
Posted on Apr 12, 2009
Nornally reson for backfire is when intake Valve open Internal combustion in Cylinder. Pls Check Your Ignition Timing & Valve Timing. ( I think Your Timing Advancer is Defect )
Posted on Jun 01, 2009
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