Question about 1996 Chevrolet K1500
Does not cut out all the time, and never cuts out until it has been running 10 minutes or so (full temparature). Seems the days that it does NOT cut out at all are colder days (Below 40F). When coasting or idling it does NOT cut out. Only on the front side of accelerating. Once you really put your foot in it, the cut out goes away. I have replaced the fuel filter, cap and rotar, plugs and wires (used delco plugs), and air filter. My check engine light is not on, but I really don't think it works, because it does not light up when you first turn the key on like the other lights. So this may be a sensor problem and the light does not work. I'm thinking maybe crank sensor, idle air controller, or possibly a fuel pump with a bad connection.... I had thought maybe a throttle position sensor, but it will cut out at a various RPMs. What really throws me is that it is sparatic, and it has be fully warmed up before it does it.
I appreciate any help!
My truck is running the same way but when you go up hil and stomp at it shuts off with no problems and some times it will start back up but we replaced the fuel realay still does it but when you put the tailight relay in it it cranks right up we also replaced the filter today ran great for bout an 1hr then it shut off and put the tailllight relay back in and strated right up any ideas whats wrong would be great thanks
Posted on Aug 16, 2010
My truck runs great chevy 350 but when you go to drive it bogs down almost stalling out
Posted on Jun 15, 2010
SOURCE: IDLE PROBLEM
Here are some of the causes of surges, stalls at stops, slow idle speed, erratic idle speed, rough idle and engine hesitation (and other problems), it is in most cases the idle speed control air-bypass valve and or throttle valve and upper intake, these area's get full of gunk and combustion residue over the miles and cause idle issues (stalls, low idle) like yours, Get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes, then restart and complete a number of mixed driving cycles, town, freeway, stop and go etc., after a few days the problem will go away as the system will relearn to the clean intake.
Posted on Apr 14, 2009
before you drop tank again, check fuses & relay.then disconnect fuel line @ filter turn key to on position should hear fuel pump run and get gas stream out of line. if no flow from line new pump faulty be sure & remove negative battery cable first good luck.
Posted on Jun 20, 2009
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