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2003 Monte Carlo hesitating


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Charmycoal
New User

Jan 28, 2016, 6:09 PM

Post #1 of 4 (812 views)
2003 Monte Carlo hesitating Sign In

I have a 2003 Monte Carlo LS 3.4. It idles perfectly and runs perfectly up until I reach about 30mph. At which time it just boggs right down. If I gently flutter the gas pedal I can can get it up to what ever speed I want but it'll take a long time getting there. The catalytic converter was removed long ago and I tried changing the EGR. I'm starting to lean towards injectors??? Any ideas would be greatly appreciated! Thanks


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Jan 28, 2016, 7:57 PM

Post #2 of 4 (805 views)
Re: 2003 Monte Carlo hesitating Sign In

Two things you need to check, your fuel pressure and the Mass Air Flow sensor. Both will cause that.



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Charmycoal
New User

Jan 28, 2016, 8:35 PM

Post #3 of 4 (801 views)
Re: 2003 Monte Carlo hesitating Sign In

Thanks Hammertime. I'll try that and let you know how it goes


kev2
Veteran
kev2 profile image

Jan 29, 2016, 7:14 AM

Post #4 of 4 (781 views)
Re: 2003 Monte Carlo hesitating Sign In

Scan and post ALL codes........






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