2005 Mitsubishi Eclipse intermitant stall

MISTERMR

MEMBER
2005 MITSUBISHI ECLIPSE
2.0L
4 CYL
FWD
MANUAL
195,000 MILES

While driving or in idle. It will stall at 65, go dead. I have to cycle the ignition key off then on which will turn the system back on and it fires up again. Popping the clutch wont get it running again, the ignition has to be turned off then on. Cranking is not required. It always starts right up after a stall. I have to engage the starter if it stalls during idle. Im not seeing any common deominator to relate to stalling meaning the accelerator pedal can be in any position. Im still leaning towards the TPS even though I replaced it once already this last year.

Saturday, March 21st, 2015 AT 9:57 PM

2 Replies

CARADIODOC

MECHANIC
34,330 POSTS

The throttle position sensor is the last thing to suspect. Of all the sensors, it has the least say in fuel metering calculations, and it won't cause stalling.

A better suspect is the ignition switch, just based on your dandy observations. I'd start by having the diagnostic fault codes read and recorded. The people at many auto parts stores will do that for you for free. If there are no codes, the next thing would be to drive the car with a scanner connected so you can view live data when the problem occurs. That will let you see if the ignition switch turned power off, as in from an arced contact or overheated terminal, or if something else quit or changed.

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Saturday, March 21st, 2015 AT 10:14 PM

THIS IS MIKE

MECHANIC
686 POSTS

Mistermr
emailed response:
Thanks. Typo on year. It is a 95. It has obd2 and OBD1 SYSTEM MADE SPECIAL FOR US LUCKY CALIFORNIA FOLKS. OBD1 READ GAVE ME A 12 and 14. Im going to do the OBD 2 RETRIEVAL as soon as I can get my reader back. Yes, it could be a short in my ign switch but I did try the wiggle test on it with no results.

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Monday, March 23rd, 2015 AT 9:40 AM