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Ron
Ron, ASE Certified Technician
Category: Mitsubishi
Satisfied Customers: 36074
Experience:  35 years in the AUtomotive repair Business
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Dies when i put it in drive or reverse, 02 galant 4

Customer Question

Dies when i put it in drive or reverse
JA: What is the model/year of your Mitsubishi?
Customer: 02 galant 4 cylinder
JA: Are you fixing your Galant yourself? What have you tried so far?
Customer: I have tried nothing jet
JA: Anything else you want the mechanic to know before I connect you?
Customer: Its all i have
Submitted: 1 year ago.
Category: Mitsubishi
Expert:  Ron replied 1 year ago.

Hello, my name is ***** ***** I am a professional here at Justanswer. Thank you for your question and I will assist you with your concern.

Can you keep it running if you give it some gas?

Has the computer system been scanned to see if there are any fault codes setting?

Customer: replied 1 year ago.
Let me check for any codes
Expert:  Ron replied 1 year ago.

Okay, also check and see if it will stay running if you give it more gas.

Customer: replied 1 year ago.
It has
po340
Po335
Po170
it can stay running in park
But as soon as you put it in gear it dies
Expert:  Ron replied 1 year ago.

The codes P0340 and P0335 is set in most cases due to a failing Camshaft Position (CMP) Sensor and in most cases replacing it will solve this code.

The code P0170 is a lean code indicating the engine has a vacuum leak and the common cause for this is usually a leaking intake manifold providing the fuel pressure is okay and not dropping out on you. I would start with checking the fuel pressure to be sure its okay and if it okay then check for any loose and leaking vacuum lines and if that checks okay, suspect the intake gasket is leaking . Any type of vacuum leak can cause the type of stalling you are having.