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Ashley V 07-21-2008 06:27 PM
car savvy people HELP
 
The other day I was driving home and my check engine light came on. I noticed a couple days before my car started idling a little rough. Now you can turn it on, but it will stall out and it idles really rough. The rpm's also go dip down really low after you rev the engine. To me it sounds like I need a tune up... what do you think?

jencar98 07-21-2008 06:50 PM
It is probably an idle sensor of some sort. Autozone (if you have them) has a computer you can hook up and get the reading on which sensor is bad. If you want to tackle changing it out yourself.

C C Kent 07-21-2008 07:19 PM
Quote:
Originally Posted by Ashley V (Post 2128636)
The other day I was driving home and my check engine light came on. I noticed a couple days before my car started idling a little rough. Now you can turn it on, but it will stall out and it idles really rough. The rpm's also go dip down really low after you rev the engine. To me it sounds like I need a tune up... what do you think?
The check engine light means that at least one sensor is sending a "code" to the computer. You can try "Seafoam" fuel treatment and sometimes that will correct idle problems if they are related to a fouled fuel injector or an O2 sensor. If that doesn't help a code reader will give you a list of sensors to check and the likely order......uhh yeah you might need a tune up.

068 07-22-2008 04:19 AM
Quote:
Originally Posted by jencar98 (Post 2128686)
It is probably an idle sensor of some sort. Autozone (if you have them) has a computer you can hook up and get the reading on which sensor is bad. If you want to tackle changing it out yourself.
I second this post. Just don't buy the part at Autozone, their electrical parts suck. Find an O'reilly's or Napa store to get the parts from. Most sensors are easily replaced but an engine idle sensor, I believe, has to be "set". You might want to find a mechanic if that's the problem.

mkawczak 07-22-2008 04:27 AM
Get it to a garage
 
The engine light is an indicator for some type of problem. If you take it to a dealer or a mechanic you trust,wont rip you off (especially if your a girl) then they will put it up on the computer ,and the code will tell them the problem. That does'nt mean you have to have it fixed at the same place. But do it sooner than later. My mechanic went on my car a few years back,and it was about to blow,due to the fact I waited too long. Good Luck,and make sure the mechanic is trusting,and if able let a "male" take it to the garage. ;)

rrosenberry 07-22-2008 04:45 AM
Quote:
Originally Posted by 068 (Post 2129194)
I second this post. Just don't buy the part at Autozone, their electrical parts suck. Find an O'reilly's or Napa store to get the parts from. Most sensors are easily replaced but an engine idle sensor, I believe, has to be "set". You might want to find a mechanic if that's the problem.
I agree^. When most sensors are replaced.. then the code needs cleared..and sometimes the Check Engine light is on for something simple, ya just never know. Most mechanics will check for a small fee. Hope it's nothing serious.

Patti 07-22-2008 05:40 AM
I believe if the car is less than 5 years old there is a federal warranty on one of the sensors that usually goes bad. It has something to do with the emissions control stuff. So first ask a dealer about that. I think you still have to pay for the test but the part and abor are free.

BamaFan121s 07-22-2008 08:46 AM
Sounds like the mass airflow sensor. Generally when the check engine light comes on, there is either an issue w/ the sensor or electrical. Go to a Napa or similar store and they can put it on their PC (usually for free) and tell you what it is. If it is something they sell there, most sensors are a quick fix and they will usually come out and install it for you.:)

Let us know what the diagnosis is.


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