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My 1999 Chev. Suburban is having a major sputter problem. I have been experiencing it off and on since July. I have had a new cat.canvertor and sensors put in. It started to do it again about 1 month later. It has been seen by 2 different garages, on had it for 10 days, and no one can pin point the problem. It starts fine, drives fine, until I stop at a light, turn a corner, anything that requires me to take my foot of the gas. When I try to go again, it sputters and doesn't catch up speed. Sometimes it will catch itself and then run fine other times I have to pull off shut it off wait about 1 minute and then it will be good to go.

Submitted: 375 days ago.
Category: Chevy
Value: $15
Status: AWAITING CUSTOMER ACTION
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Optional Information

1999 Suburban 1500LT

Already Tried:
new fuel pump 12/07
new cat. convertor w/o2sensors
some air filter thing?
throttle positioning sensor was checked
the other cat. convertor was checked
it was hooked up to the machine to check what the "check engine light" was telling them. Thats why the air filer something or other was checked and put in properly.
It seems to be worse after I put gas in it. I do not let it get down past 1/4 tank.

Posted by AMEDEE 374 days and 23 hours ago.

Info Request

Hello!

Is the check engine light on?

Are there any codes in the computer?

374 days and 22 hours ago.

Reply

 

The check engine light is on. It has been constantly except the last two garages had it off when I got the car back, but it came back on after driving a few miles.

 

I just picked up the car last night, light was off, started up today, light was on. They told me their computer told them to check the air intake filter. Mechanic said it wasn't in properly, thinks it might solve the problem. Told me to drive and car him today. Still doing it.

Posted by AMEDEE 374 days and 22 hours ago.

Info Request

DO you know the code number in the computer?

374 days and 22 hours ago.

Reply

I don't, the garage isn't open until after 12 today

 

Posted by AMEDEE 374 days and 22 hours ago.

Answer

Can you call them when they open and get the code numbers and get back to me?

 

I will wait.

374 days and 21 hours ago.

Reply

I will but how do I contact you back

Posted by AMEDEE 374 days and 21 hours ago.

Answer

Just repost back to this question and I will get it.

374 days and 18 hours ago.

Reply

code was p0142 but he said there a ton of codes from the other garage.

 

 

Posted by AMEDEE 374 days and 18 hours ago.

Info Request

I dont seem to have any record for a p0142.

 

Are you sure it is not a p0143 or a po141?

 

This is a 5.7?

 

4wd?

 

 

374 days and 18 hours ago.

Reply

I am not sure, that is what I wrote down. He said something about a sensor, if that helps. It is a 4wd., not sure 5.7, 8 cyclinder though.

 

Posted by AMEDEE 374 days and 18 hours ago.

Info Request

Is there any way we can find out?

374 days and 17 hours ago.

Reply

No. That's the # he gave me, thats what he told me. I don't feel comfortable asking again. They are now thinking the computer needs to be reset.

Posted by AMEDEE 374 days and 17 hours ago.

Info Request

Is the check engine light even on?

374 days and 17 hours ago.

Reply

I believe you asked me that before. Sorry if I didn't answer. Yes, it is on. Has been the entire time - 2 months at least

Posted by AMEDEE 374 days and 16 hours ago.

Answer

I would love to help you out. But without the code number, we are chasing our tail.

 

If you dont feel comfortable asking the mechanic what the code number was, you can go to a local auto parts store and they will scan it for free for you.

 

This would be a big help for me.

374 days and 16 hours ago.

Reply

Can I get back to you tomorrow?

Posted by AMEDEE 374 days and 16 hours ago.

Answer

You bet!

 

Just repost back to this question and I will get it!

373 days and 18 hours ago.

Reply

One of the mechanics said he could get me the numbers tomorrow.

I guess we will have to wait until then.

Answer

Sounds good!

Let me know!

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Expert: AMEDEE
Pos. Feedback: 100.0 %
Accepts: 
Answered: 11/13/2008

ASE MASTER TECH

ADVANCED LEVEL SPECIALIST

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