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  1. Obs89

    1997 chevy k1500 P0300

    I have a 97 chevy with brand new injectors and temp sensor,cap,rotor,plugs,plug wires. EGR valve. and new distributer, new fuel pump and filter. clean grounds. It seems to missfireing on 1 and 5 and it some time counts up on cylnder 2 but i believe it may be a false count. i have a new crank...
  2. Obs89

    1997 Chevy k1500

    My truck runs horrible at idle and has slight hesitation when u try to gas it. It stumbles. But once I either unplug the Maf, or ground the yellow signal wire it runs fine. My maf read 5-7 grams at idle. I have a new egr valve I also have a new temp sensor. I tried a new maf didn’t change...
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