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2001 Saturn SL1 Check engine light

Tiny
SUZANNEOB
  • MEMBER
  • 2001 SATURN SL1
Computer problem
2001 Saturn SL1 Two Wheel Drive Automatic 76,870 miles

Hi, My car has had the check engine light on for over a year. Three different shops have tried to fix it, it will go off for a day, then right back on. I was just given codes P0301 and P0507. There is absolutely nothing wrong with the way the car drives or performs. It's had a recent tune up, gas cao is on tightly. Where should I start with getting this light to go off?
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Wednesday, February 24th, 2010 AT 7:49 AM

1 Reply

Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
The p0301 is cyl 1 missifire and p0507 is high idle. From the codes and the yr and model of ur car I would say best bet is u have a leaky Intake gasket causing a vaccuum leak at ur number 1 cyl causing it to miss on that cyclinder an have a high idle it would cause the problem to be intermintant. Take a flash light look on the passenger side where the intake meets the head u will be able to see the gasket it will look all wrinkled up. It's below the power steering pump area u can let the car ldle get some carb spray and spray around that area if the idle gets higher or the car misses or dies u have a leak in that area. Let me know what u find.
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Wednesday, February 24th, 2010 AT 11:44 AM

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