LS1 Hot Cam... now Codes?
07-21-2008, 12:08 AM
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LS1 Hot Cam... now Codes? Ok in my signature are my mods on the car... ZLatest thing that I did was add a LS1 Hot Cam and a Tune. But now my car keeps giving me hesitation on start up and doesn't really pull the way it should. And at thime it feel like it has a hicup and then goes and occasionally when I am at like 20-30mph and I gun it... It just stay in the same gear and goes. It doesn't want to down shift. Any Ideas? Here are my codes... P0121, P0151 and P0171. I think it is the fuel pump. By the way when the swap was done I replaced both Plugs and Wires and Fuel filter. Rear 02's have been deleted and EGR, AIR...
Last edited by frankmarroquin; 07-21-2008 at 12:15 AM.
