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Old 04-05-2014   #30
XfireZ51
 
Join Date: May 2007
Location: Chicagoland, IL
Posts: 9,686
Default Re: 1991 ZR1 ODB1 Port Location

Quote:
Originally Posted by roadczar View Post
I did reseat the chip. Disconnected the battery, then went for a 50 mile drive. No codes, but still running like crap.

What is the part number of manual? I do have a ZR1 supplement.

Went for another drive and it threw 55. Fuel pressure?
Fuel pump(s)?. At least the other codes didn't come back.
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