Mitsubishi Galant A sporty mid-sized sedan offering the perspective buyer a change from the normal mid-size sedan class.

2001 Galant low Idle problems

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  #1  
Old 12-20-2011, 03:29 PM
mchandler76's Avatar
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Unhappy 2001 Galant low Idle problems

I was having some problems with erratic high idle and sticking throttle so I used some throttle body cleaner to clean out the throttle body. Long story short I ended up flooding it but it finally did crank and everything seems to be running well EXCEPT when I first crank it if its cold the rps hang around 250 - 300 and it keeps trying to shut off until it warms up. Did I damage the throttle position censor? I got the check in light checked and it says either dirty or bad throttle body or is it talking about the censor?
 
  #2  
Old 12-22-2011, 05:53 PM
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Originally Posted by mchandler76
I was having some problems with erratic high idle and sticking throttle so I used some throttle body cleaner to clean out the throttle body. Long story short I ended up flooding it but it finally did crank and everything seems to be running well EXCEPT when I first crank it if its cold the rps hang around 250 - 300 and it keeps trying to shut off until it warms up. Did I damage the throttle position censor? I got the check in light checked and it says either dirty or bad throttle body or is it talking about the censor?

What DTC did you get from your car?
 
  #3  
Old 12-23-2011, 10:55 AM
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Originally Posted by galanthighspeeder
what dtc did you get from your car?
p0507
 
  #4  
Old 12-23-2011, 02:09 PM
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Originally Posted by mchandler76
p0507

Ok, your Idle Air Control Valve Sensor
is defective, just replace the sensor
and your rpm will drop the idle will
be at normal specs 1000-900 Range.
 
  #5  
Old 12-23-2011, 07:15 PM
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Originally Posted by Galanthighspeeder
Ok, your Idle Air Control Valve Sensor
is defective, just replace the sensor
and your rpm will drop the idle will
be at normal specs 1000-900 Range.
Thanks for the Input, I suspected that was the problem.
 
  #6  
Old 12-26-2011, 02:13 PM
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Originally Posted by mchandler76
Thanks for the Input, I suspected that was the problem.
No problem
 
  #7  
Old 01-06-2012, 01:07 PM
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I might be having the same problem. I'll be on the stop light, press on the breaks, and the idle goes down that it almost feels like it is going to stall. I will be replacing the plugs, wires, and boots soon and hopefully that fixes it. If not, then I will be looking at a new throttle positioning sensor.
 
  #8  
Old 01-06-2012, 06:37 PM
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Originally Posted by earpon
I might be having the same problem. I'll be on the stop light, press on the breaks, and the idle goes down that it almost feels like it is going to stall. I will be replacing the plugs, wires, and boots soon and hopefully that fixes it. If not, then I will be looking at a new throttle positioning sensor.
How did u know you need a new Throttle Position Sensor?
Did you get a code telling you it was this Sensor?
 
  #9  
Old 01-07-2012, 08:03 AM
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Originally Posted by Galanthighspeeder
How did u know you need a new Throttle Position Sensor?
Did you get a code telling you it was this Sensor?

Dealer couldn't find an error code. They said that sometimes it just won't tell you. I'm basically doing a trial and error and I've been reading a lot on what might cause it.
 
  #10  
Old 01-07-2012, 01:35 PM
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Originally Posted by earpon
Dealer couldn't find an error code. They said that sometimes it just won't tell you. I'm basically doing a trial and error and I've been reading a lot on what might cause it.
Thats true sometimes the scanner wont tell u if
a sensor is defective.
 


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