2000 Chevy Camaro hesitation

2000 CHEVROLET CAMARO
92,000 MILES • V8 • 2WD • MANUAL
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DMARTINEZ155
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I have a mostly stock camaro, however, one of the first things I added was a K&N cold air intake. Since then, I get a hesitation sometimes during my lower RPM's. If I give it a lot of gas its no problem, or if I don't release the clutch all the way there is also no problem. I replaced the fuel pump and spark plugs and all the 02 sensors. I also get a 02 sensor error code. Its says its running too lean. With my diablo sport tuner, I turned off 02 sensors 137 and 157 and the the light goes off. I still get hesitation. With my diablo sport tuner, I increased the fuel slope and the wot percentage up to 4% richer. Same problems. Seems to have helped but not totally.. Any more increase and it seems like my car is getting too much gas.. I don't know what else to do. Help!!![img:eb2ab873ff]http://www.2carpros.com/forum/automotive_pictures/389936_P1010736_1.jpg[/img:eb2ab873ff]
Jul 30, 2009 at 4:37 PM
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JACOBANDNICKOLAS
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Based on the codes you are receiving, I would say you have a vacuum leak. Have you checked everything?
Sep 3, 2009 at 10:41 AM
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DMARTINEZ155
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i took the map sensor and bought some spray to clean it out. I also bought the cleaner for my k&n cold air intake. While the air intake remains clean, it runs perfect. But over some time, lets say 3-4 weeks you can notice some hesitation and eventually you end up losing some of that power.. So I would say, as long as I keep that cold air intake filter super clean, then the problem goes away. I too thought it was a vacuum leak but I can probably rule that out now since it was running so smooth. Thanks for the input.
Sep 3, 2009 at 1:37 PM
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JACOBANDNICKOLAS
  • CAR REPAIR CONTRIBUTOR
  • 110,190 POSTS
I'm glad you got it fixed. Let us ko if you hav questions in the future.
Sep 3, 2009 at 4:11 PM