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Car hesitating when starting it up

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Jan 15, 2017, 5:46 PM

Post #1 of 2 (569 views)
Car hesitating when starting it up Sign In


I have a Lancer'08 that has been struggling to start up and idle during the mornings or when it's unused for a few hours (mostly when it's cold). Here's the overview of the car:

ES - 2008
Engine 2.0 CVT
Mileage 110,000

When I start the car in the morning, it hesitates a lot to remain on a normal idle RPM, sometimes it rumbles and lowers the RPM to 0 and the engine turns off.

When I turn the switch to ON, I hear a strange consistent noise coming from the throttle body and when I start the car, it sounds like small electric shocks.

These are the things I've done to my car to try to solve this with no avail:

- I changed the Vapor Canister Valve with a new one
- I changed the MAF with a new one
- Changed the Throttle Body adapter to the Short Ram intake with a Silicone adapter
- Changed the Short Ram air intake filter
- The plastic intake manifold was also checked for leaks with my mechanic
- The throttle body was checked and cleaned by my mechanic

I did additional research myself and the car gives me a P0171 and I don't know what else to check. Here are some videos with the sounds if it helps:

Engine OFF, Car ON:
Engine ON:

Links deleted ..................... not allowed

(This post was edited by Hammer Time on Jan 15, 2017, 6:00 PM)

Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Jan 15, 2017, 6:01 PM

Post #2 of 2 (565 views)
Re: Car hesitating when starting it up Sign In

I don't know what you used to check for vacuum leaks but you should have it smoke tested.


We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.

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