engin light on

Asked by Apr 07, 2010 at 09:16 AM about the 2003 Toyota Corolla LE

Question type: Maintenance & Repair

This morning i got engine light stays on. what could be reason?

4 Answers

9,260

Get the coeds read to find out where the issue is. It could be a lot of different things.

1 of 1 people found this helpful.
75

you can go to ehow .com and they will give you so causes before you spend alot of money.

2 of 2 people found this helpful.
9,260

Unless you know the exact codes by having it scanned then the problem cannot be fixed. Take it to autozone or advance autoparts and have them scan it and print a list out for free.

1 of 1 people found this helpful.
115

The first thing to do is to double check the gas tank cap. If not tightened correctly, the engine light will go on as air enters the tank and keeps the fuel injection system from creating a good vacuum. Sometimes, dirt or rust around the filler tube where the cap usually seals is enough to let air in and light the signal. That is what happened with my 2005 corolla and a little sanding around the tube's opening with fine grit sand paper did the job.

2 of 2 people found this helpful.

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