Re: 1990 ZR-1 Hesitation when full Power
Quote:
Originally Posted by frantinoro
So the system JUST threw a code 55, which it has never done before. Also at the risk of sounding stupid where is the second map sensor?
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MAP sensors are at the back of the plenum, likely the one you are aware of, and under the ECM Mount. Code 55 is a “Fuel lean” code which could coincide with either a vacuum leak, fuel supply issue or both.
H
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90'ZR-1 #1461 Red/Black
Ported Intake, Degreed Cams, OBX Headers & Exhaust, Fidanza FW, Secondary Delete, Custom tune, C6 GS Wheels. Sold
08 C6 Z51 Crystal Red Metallic Sold Vararam Intake, Tune, Sold
05 C6 Z51 Red/Black Sold
90'ZR-1 #1723 Black/Gray Sold but not forgotten
91' Z51 L98 White Vert. My First, you always remember your first. Sold.
Last edited by Ccmano; 04-10-2019 at 08:14 PM.
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