1991 Chevy Camaro code 42

1991 CHEVROLET CAMARO
147,883 MILES • V8 • 2WD • AUTOMATIC
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PEREZ PECAS
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I need to know how to fix code 42 on this chevy 1991 camaro tank you
Jan 16, 2008 at 10:28 PM
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RASMATAZ
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42 Electronic Spark Timing (EST) Circuit

What is it a 305 or 350 CID
Jan 16, 2008 at 10:42 PM
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RASMATAZ
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Here's your diagnostics


https://www.2carpros.com/forum/automotive_pictures/12900_hei_1.jpg


https://www.2carpros.com/forum/automotive_pictures/12900_hei1_1.jpg


https://www.2carpros.com/forum/automotive_pictures/12900_hei2_1.jpg


https://www.2carpros.com/forum/automotive_pictures/12900_hei3_1.jpg

Good Luck
Jan 16, 2008 at 10:59 PM
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