Help with my 2003 Impala

1265 Views 6 Replies 5 Participants Last post by CraftsmanQuad19, May 3, 2019

ajdevall

Discussion Starter · Apr 25, 2019

A few days ago I was driving and noticed the car running sluggish. I noticed it wouldn't get over 3500 rpm. So I took it home and parked it. Didn't have time to look at it that night. The next day it wouldn't start.
Everytime I try to start it it starts to go then kills immediately. I asked around and everyone told me its the catalytic converter. So I cut the cat off and it still won't start.

I'm kind of at a loss right now. My next attempt is going to be the MAF sensor I think. I don't want to put a ton of money into it.

Any ideas?

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plano-doug

· #2 · Apr 25, 2019

ajdevall said:
A few days ago I was driving and noticed the car running sluggish. I noticed it wouldn't get over 3500 rpm. So I took it home and parked it. Didn't have time to look at it that night. The next day it wouldn't start.
Everytime I try to start it it starts to go then kills immediately. I asked around and everyone told me its the catalytic converter. So I cut the cat off and it still won't start.

I'm kind of at a loss right now. My next attempt is going to be the MAF sensor I think. I don't want to put a ton of money into it.

Any ideas?

I was thinking fuel pressure regulator.

Doug

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04Imp38

· #3 · Apr 25, 2019

Is it throwing any codes?
Start with the basics. You know you have spark because it is firing. Air shouldn’t be a problem.
I agree with Doug, could be fuel. Rent a fuel pressure tester from an auto parts store and check the pressure key on and also cranking/firing.
Also check the connections of hoses/wires on the throttle body.