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  1. Chevy C/K Truck Forum
    I have a 1995 Chevy K3500 5.7L 4L80E. It's 4 door with power windows, power locks and AC. I'm having issues with the truck starting for some reason the fuel pump is not coming on at all I've switched pumps switch relays and the pumps and relays are not bad. I've even run direct power with an...
  2. General Chevy & GM Tech Questions
    I purchased a 1990 Silverado C1500 5.7L stepside last year. It ran a little rough when it got warm so we did all the normal things to try and fix it. As we were in the process of figuring out the issue it would get worse to the point I would put it in park and give it a little gas at...
  3. Medium-duty Truck Forum
    I have a 1990 Kodiak with the 7.0L TBI, air brakes as it is a dump truck. I'm the mechanic at our company, heavy truck/equipment to be exact, but I pretty much know how to work on everything. The truck was out working with the crew when the boss called me saying the alternator gauge was pegged...
  4. Chevy C/K Truck Forum
    Good day I'm new here. I have a 1992 gmc sierra with the 350, 4x4. 9 months ago the truck started back firing when accelerating. I checked the plugs and replaced them all and no issues until recently. Now when the truck is in any gear other than neutral, it lopes quite noticeably. I'm thinking...
  5. Chevy Silverado Forum (GMC Sierra)
    Hey guys So I have a 94 gmc 4x4 . With the tbi injectors or throttle body. Anyways at the moment it has 206,500 on the odometer. Lately it has absolutely no guts nuts nadda I start off from the stop sign at a snails crawl.. no power .I've done spark plugs distributiter cap Rotor ,timed it...
  6. GM Powertrain
    1991 K5 TBI 350 with SM465. One out of five times the idle will seem to fall out when taking it out of gear and coming to a stop. It feels like a misfire. It will correct itself after about 5 seconds, can usually correct it a little quicker by revving. Less commonly, it will do this going...
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