New Here! Purchased 2005 Monte Carlo SS Tony Stewart edition..Having a problem..Help!
Monte Of The Month -- August 2007
Joined: Sep 2006
Posts: 5,231
Welcome to the MCF Family.
It could be a couple of things wrong.
1. Start with the gas cap, but I don't think that's the problem. Clean all the sealing surfaces on both the cap and the filler neck. Inspect for damage. And ALWAYS make sure it clicks at LEAST 3x when tightening it.
2. It could be the vent check valve by the gas filler neck,behind the fenderwell. I've had to replace one of those to stop throwing a code. People overfill their gas tanks and the excess gas will go into those valves. They have a gas trap. Not hard to replace, or expensive, but still a pain. FILL YOUR TANK UNTIL THE PUMP STOPS 1 TIME, NO MORE! Don't top it off. That's the problem. Not saying you did it, because you just bought it. Just saying. Been there, done that.
3. My guess it that you have a gas leak maybe at the filter you just changed, or at the pump, and air is getting into the fuel system, and it doesn't like it. Just guessing. Might be a bad fuel pump. Usually if it's something like a throttle position sensor, it will throw a code for that. The gas cap code indicated you have air in the system somewhere.
Hope this helps a little bit. Good luck, and let us know what the problem was.
It could be a couple of things wrong.
1. Start with the gas cap, but I don't think that's the problem. Clean all the sealing surfaces on both the cap and the filler neck. Inspect for damage. And ALWAYS make sure it clicks at LEAST 3x when tightening it.
2. It could be the vent check valve by the gas filler neck,behind the fenderwell. I've had to replace one of those to stop throwing a code. People overfill their gas tanks and the excess gas will go into those valves. They have a gas trap. Not hard to replace, or expensive, but still a pain. FILL YOUR TANK UNTIL THE PUMP STOPS 1 TIME, NO MORE! Don't top it off. That's the problem. Not saying you did it, because you just bought it. Just saying. Been there, done that.
3. My guess it that you have a gas leak maybe at the filter you just changed, or at the pump, and air is getting into the fuel system, and it doesn't like it. Just guessing. Might be a bad fuel pump. Usually if it's something like a throttle position sensor, it will throw a code for that. The gas cap code indicated you have air in the system somewhere.
Hope this helps a little bit. Good luck, and let us know what the problem was.
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