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1992 corvette 5.7 lt1 new dist plugs fuel press reg runs…

Customer Question
1992 corvette 5.7 lt1...

1992 corvette 5.7 lt1 new dist plugs fuel press reg runs good 20 TO 30 MILES THEN STARTS loading up plugs starts missing then code 26 quad driver 1 codes then runs worse good engine &compression has had high perf cam 2 years ago do not history of how it ran before now I think I may need re programing to match the cam if that's the problem need to find where to get it done

Mechanic's Assistant: Do you have a scan tool to read the codes?

Yes snap on for obd 1

Mechanic's Assistant: Are you fixing your Corvette yourself? What have you tried so far?

Yes new plugs new dist &plug wires fuel pres reg

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

Yes it runs good 20/30 miles then starts missing &back fireing out exh then quad driver 1 code I scanned while driving map o2 tps all seemed in range temp speed sensor batt voltage all checked ok

Submitted: 7 months ago.Category: Chevy
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Answered in 1 hour by:
12/29/2017
Chevy Mechanic: kalamykid, Shop Owner/ Tech replied 7 months ago
kalamykid
kalamykid, Shop Owner/ Tech
Category: Chevy
Satisfied Customers: 5,593
Experience: I HAVE OWNED MY OWN SHOP FOR OVER THREE YEARS. I HAVE THE TOOLS AND SOFTWARE TO ANSWERE ALMOST ANY Q
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