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Do i have a burned valve?
1990 Mazda B2200

Do I have a burned valve?

(1990 Mazda B2200)
The truck is running on just three cylinders and has no power and horrible fuel economy.Its the #4 cylinder.It has good compression but there is no change when I remove the plug wire on that cylinder.All the wires,plugs and distributer are all new so any suggestions
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Popular Answer
of Greg's Orange Auto on June 22, 2015
DO A COMPRESSION TEST TO BE SURE
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General Diagnosis
$88 - $111 Learn More
of Greg's Orange Auto on June 22, 2015
DO A COMPRESSION TEST TO BE SURE
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