1992 Ford Other Did Timing Test Scanner Revealed Codes 538 521 They Mean

1992 FORD
172,000 MILES
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did timing test with scanner revealed codes 538 and 521 what do they mean
Feb 1, 2013 at 5:29 AM
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ASEMASTER6371
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what is the year make and model with engine size

Roy
Feb 1, 2013 at 5:34 AM
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