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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 (964 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 (957 views)
Re: Car won't idle after engine swap Sign In

Is the idle air control solenoid plugged in?





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tilopa
User

Oct 25, 2013, 5:17 PM

Post #3 of 4 (944 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 (940 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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