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pontiac keeps giving codes Sign up here! Search this forum this category all forums for All words Any words Whole Phrase (search options) Auto Repair Home>> Automotive Repair>> Engine ODB2 Fault Codes squatdemon8 New User Mar 10, 2012, 7:50 PM Post #1 of 3 (2425 views) pontiac keeps giving codes Sign In i have a 2006 pontiac gran prix with a 3.8 supercharged engine.after car has si over night,when i come and start it up it sputters for about 15 to 20 seconds then idles out.later code po300,po420,po068 shows up.one of these will show up after awhile.even when i clear them out eventualy one will show back up ,sometimes all together.then also i lose engine power when traction control comes on reducing engine power. any kind of help will be welcomed. my car has 104,000 miles Hammer Time Ultimate Carjunky / Moderator Mar 10, 2012, 8:36 PM Post #2 of 3 (2390 views) Re: pontiac keeps giving codes Sign In You need to get a fuel pressure gauge hooked p before starting it to observe the fuel pressure as the problem occurs. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional. squatdemon8 New User Mar 11, 2012, 10:44 AM Post #3 of 3 (2354 views) Re: pontiac keeps giving codes Sign In thanks i will try that today   Automotive Repair     Auto Body Repair and Refinishing     Heating or AC Issues     Electrical and Wiring     Brake Systems     Car Stereo Repair Advice     General Discussions     Car Making Funny Noises     Engine Fault Codes     Engine Troubles     Exhaust Systems     Steering and Suspension     Transmission Troubles     Tricks of the Trade Automotive World     General Discussions     Antique Car Talk     Car Shows and Events     The Bargin Bin     Motor Vehicle Inspection     Car Care Tips     Traffic Tickets     Gasoline, Motor Oils, Concept Cars and Engines     Auto Insurance, Financing, Leases, Warranties Truck Repair     General Discussions     Truck Engine Repair     Truck Suspension Repair Motorcycle Repair     General Discussions     Motorcycle Engine Repair CarJunky     Open Posting     Board FAQ's     New Board Suggestions

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