Car won't idle after engine swap - Car Troubleshooting


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Car won't idle after engine swap

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tilopa
User

Oct 25, 2013, 11:36 AM

Post #1 of 4 (1614 views)

Car won't idle after engine swap	Sign In

1995 Mazda Protoge
1.5 Ltr 4 Cyl
162K Miles

I just swapped engines in this car as the first engine through a rod. Put everything back together and the car will start but not idle and will immediately shut down if I don't keep throttle pressed.

Not sure were to begin with troubleshooting, any help appreciated.

Discretesignals
Ultimate Carjunky / Moderator
Discretesignals profile image

Oct 25, 2013, 11:57 AM

Post #2 of 4 (1607 views)

Re: Car won't idle after engine swap	Sign In

Is the idle air control solenoid plugged in?

Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.

tilopa
User

Oct 25, 2013, 5:17 PM

Post #3 of 4 (1594 views)

Re: Car won't idle after engine swap	Sign In

So, can you tell me if this is the idle air control, because I plugged it in and problem is solved: coming out of the airbox (right next to a plug that I believe controls the mass airflow sensor) there is a cone shaped plug, with the pointy end going into the airbox. I had neglected to plug this in.
Is this the idle air control?
Thanks.

Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Oct 25, 2013, 5:25 PM

Post #4 of 4 (1590 views)

Re: Car won't idle after engine swap	Sign In

No, that would be the intake air temp sensor but that will make it run bad too.

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