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    Can't get rid of p0303 misfire

    I checked my coolant my reservoir was empty but there was still coolant in the radiator. No sign of leaks around the reservoir
  2. T

    Can't get rid of p0303 misfire

    I think so I haven't been really driving it other than around the yard to keep everything oiled I'm gonna check my coolant level again when I get off and pull the #3 plug again and inspect it for moisture... It's been sitting up for a while cuz I haven't really needed it but my girlfriend...
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    Can't get rid of p0303 misfire

    I just thought about the coolant leak while I was in the bed I had a stopped up converter right before all this happened but I replaced it and I'm not getting an egg smell the exhaust smells rich right now
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    Can't get rid of p0303 misfire

    Yeah one of my good friends was a MAC salesman the scan tool belongs to him and I kept askin him to come run all the test for me but he just let me borrow it I'm thinkin he doesnt know much about it either just had access to buy one at cost. I've just been playin with it to see what I can find...
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    Can't get rid of p0303 misfire

    I'm using a MAC mentor it's under data/sensors the perimeter is called "cam retard"
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    Can't get rid of p0303 misfire

    I couldn't find the ground wire you was talkin about but I ran a cam /crank sensor retard test. The scan tool said a normal reading is between 0-2 degrees but the results showed -13 degrees. Do you think it is the cam or crank sensor that is going out.
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    Can't get rid of p0303 misfire

    Ok I'll try not to tell my whole life story on here. I have a 2000 model yukon Denali with the 5.7 vortec. About a year ago I started having a p0303 code showing up. First thing first was to change the plugs and wires. I replaced them with oem AC delcos but didn't cure the problem then I changed...

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