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rpmdiag
rpmdiag, Tech and Instructor
Category: Mitsubishi
Satisfied Customers: 6855
Experience:  Since 1975
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Stalls, stalls no engine check light. poor accelerations,

Customer Question

stalls
JA: Is the check engine light on? Does the car stall at idle or when driving?
Customer: stalls no engine check light. poor accelerations, hesitates and takes off. No problem with shifting....
JA: What is the model/year of your Mitsubishi?
Customer: 2003 ES Galant
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: plugs replacement and TPS adjustment.
JA: Anything else you think the mechanic should know?
Customer: that all, no check lights on...
Submitted: 3 months ago.
Category: Mitsubishi
Expert:  rpmdiag replied 3 months ago.

Hi, welcome to Just Answer. I’m Ron and I’ll be helping you
today.
Before we get started though, Please understand that I don't know
your skill level or tools you have to assist us. Also understand that
I can't see, smell, hear, or touch the vehicle either, so patience is
appreciated. JA is a great Q/A site, but it does NOT replace a
repair shop.
My goal is to make you happy and get a great rating in return for
my time. Sometimes I have to give you bad news that I know you
didn’t want to hear, so please don’t shoot the messenger.

If the stalling is at idle, check your idle speed motor for carbon buildup behind it and a plugged port. You may want to clean the throttle body too and MAF sensor. The motor can be bad too. If the stalling is while driving, check your fuel pressure with a gauge.

Thanks, Ron