1990 Mazda B2600 4by4 Truck Sometimes Drive Miles Runs Fine Crank Again On Last

1990 MAZDA B2600
15,000 MILES
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i have a 1990 mazda 4by4 truck sometimes i can drive for miles and runs fine.then i can crank it again and it runs like its on its last leg .skipping . jumping . and want take the gas .i put a new fuel pump and didnt help any
Oct 30, 2012 at 10:52 AM
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KHLOW2008
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  • 41,812 POSTS
Did you check for trouble codes?
It could be a fault with the spark ignition system.
Oct 31, 2012 at 2:06 PM
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