1996 Chevrolet K1500 "p0300 under load" Questions

P0300. I have replaced the following: rotor cap, wires & plugs. After all of this it still has the same issues. Any help would be great. You could have a burnt valve, do a compression chk. Do you know

...under load and big style chuga chug???? check for codes, p0300 is multiple cylinder misfire, p0301-p0304 is for cylinder 1 through 4, could be bad plug or coil, try switching and see if problem moves ...

...under load, codes p0300 and p0302 . had coil 2 and all spark plugs replaced. A few days later check engine light came on and code p0352 came up . car runs prefectly no misfire idleing or under load. ...

under load and p0300 code. check coils and vacuum leaks both OK.change spark plugs and wires.[same problem] check compression OK. Problem with 1997 Chevrolet Lumina i have a 1997 lumina with 3.1L. the

...under load, none supposedly prior. changed all coils, reinspected plugs for damage,crackes etc-changed some again- no codes during first week of reinspection, then p0301 occurred. changed injector, ...

...P0300 and Hold light flash only after 30 mph will not come on if the speed is kept under that and tried raising car off ground and drove to 80 mph no lights and tried pressing brakes to simulate load ...

...under light load. It finally gave me a code p0300 this morning. I plan on cleaning the MAF tonight and check for a vacuum leak. Any other ideas? make sure you have the plugs gapped properly this can ...

...clean out carbon if you do not see any carbon holding the valve open they also had a problem with the valve guides gumming up and the valves sticking but that usually only sets a code p0300 under ...

...under load with p0300 code engine revs up with no increase in speed Aluminum heads should have a small amount of anti-seize on the threads of each plug and then be torqued to 20 Newton Meters. That's ...

...p0300 skips and backfires under load 2002 Ford Windstar p0300 and also individual cylinder misfires. Idles OK, skips and backfires under load. Replaced plugs no difference. Tried EGR test by removing ...