How JustAnswer Works:
  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site.
    Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.
Ask Chris Your Own Question
Chris, Technician
Category: Chrysler
Satisfied Customers: 12599
Experience:  30 years certified Chrysler technician, smog license Certified Master Technician
Type Your Chrysler Question Here...
Chris is online now
A new question is answered every 9 seconds

Chrysler 400 cu in engine sometimes won't idle down like the

Customer Question

Chrysler 400 cu in engine sometimes won't idle down like the choke is sticking and the engine revs up and it takes a number of accelerator kick downs to release the choke but then u drive for five minutes and when u put the car in park it idles up again this car is a 1978 Chrysler New Yorker brougham
Submitted: 3 months ago.
Category: Chrysler
Expert:  Chris replied 3 months ago.

Hello and welcome to just answer. The problem is either the automatic choke coil/spring link needs to be adjusted, or the heater element next to the coil is not heating up fast enough. That can cause the fast idle cam to stick on one of the high steps. Have that coil checked , and adjusted so that when the engine is warmed up, the choke is fully open and the fast idle cam is on it's lowest step. That will keep her from idling too high. If it still acts up, then replace the choke coil (which is in the intake manifold next to the carburetor.

I hope this information has been helpful, and thank you again for using just answer! Please do not forget to take a minute to rate my service using the just answer star rating system. That way I will get credit for helping you. Note that I can still help you even after you rate me.

Thank you!


Expert:  Chris replied 3 months ago.

Hello, just checking back to see if you received my last reply /answer.


Related Chrysler Questions