Question about 1990 Ford F250

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I have a 1990 ford f250 4x4 with a 5.8l i have replaced the fuel pump, i have replaced the computer, i have set the ignition timing i have cleaned the spark plugs and replaced the spark plug wires i have put a new timing chain in and still this piece of **** dont run right???

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I guess because it isn't playing nice. I would do a compression test first. Check that the cylinders are within limits. Would you explain what the drive-ability issue is? How does it idle? How does it run cold or hot?

Posted on May 05, 2010

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