got the service engine light checked

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Oct 27, 2008 | 11:11 PM

#11

TheGrimReaper73

In the Staging Lanes

Joined: Oct 2008

Posts: 88

From:

RE: got the service engine light checked

when i drive down the road the engine light isnt on.. so im not for sure what it could be.. i know my spark plugs are bad though so that i will get done anyways but i think its the EGR valve.. and when i turn the key to the on position it says Service Engine Soon, Brake, and Check Gauges

Oct 31, 2008 | 06:01 PM

#12

Intrepid781

In the Staging Lanes

Joined: Sep 2008

Posts: 63

RE: got the service engine light checked

Its either the plug wires or the coil packs. It'll run fine till operating temp then start running like ****. I've had this happen on lots of cars.

Nov 1, 2008 | 05:32 AM

#13

Spartan66

4th Gear Member

Joined: May 2007

Posts: 2,723

From: Fort Campbell, Ky

RE: got the service engine light checked

Quote:

ORIGINAL: buddywackos

the car will run fine when i start it cold, i can floor it and it's like nothing's wrong. but when it goes up to operating temperature, it starts sputtering.

I would suggest not flooring it while its cold.. That might help you prevent other problems down the road..

Nov 1, 2008 | 08:26 AM

#14

buddywackos

Thread Starter

1st Gear Member

Joined: Apr 2007

Posts: 182

From: Pike County, Kentucky

RE: got the service engine light checked

oh i know, i normally don't. i just noticed that it ran fine while cold and tried it really quick, that's all.

Nov 1, 2008 | 11:28 PM

#15

95slvrZ28

Overdrive Member

Joined: Aug 2006

Posts: 4,496

From: Boulder, CO

RE: got the service engine light checked

Quote:

ORIGINAL: RSSteve

The MAF could cause this problem. If the ECM doesn't know how much air is comming into the engine it doesn't know how much fuel is needed. There for the more you open the throttle the more air is coming in and the computer doesn't know to add fuel do the car is running lean and starving for fuel.

TheGrimReaper73 is your check engine light working? Does it come on when you turn the key to "ON"

Usually when the MAF is acting up the car forces itself back into open loop mode and runs off the MAP and the preset fuel trims that are loaded into the computer.

I would say replace your crank sensor and go from there, I've heard of it tripping false codes before. If that doesn't take care of the issue go for the MAF. If that doesn't take care of the issue you have a bigger problem on your hands.

TheGrimReaper: your problem sounds like it could be a leaking EGR valve. Take off your EGR and see if you can clean it (I use carb cleaner), it's possible you have some carbon buildup inside and it's leaking.