Question about 2000 Chevrolet Blazer

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2000 blazer Radum missfire untill hot.

I have a 2000 blazer and it has a radum missfire code. I changed plugs,wires,cap,roter,coil,massaire senser,fule filter, fule presher 60, it still has the missfier. It runs good after it gits good and hot.What can I check next?

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Check the gas cap, take the cap back off the distributor and check to see if there is any play in the shaft (back and forth) and check for excessive play in the pinion gear. If it seems fine you can also check for play in the timing chain. If you are in the habit of not keeping the fuel tank full it may be a water in the fuel problem or could be water in the fuel. Double check your work on the tune-up, make sure that you didnt foget something. It happens to the best of us. Is the air filter fine? You can also check vacuum lines and the ducting between the MAF sensor and the plenum. Well good luck.

Posted on May 28, 2009

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