Ask Your Car Question. Car Experts Answer You ASAP.

(Not a Car Question?)

1989 buick skylark quad 4 engine code d, engine runs fine ...
Sent to Car Experts July 11 05:43 PM

1989 buick skylark quad 4 engine code d, engine runs fine untill it is heated up to 210+ degs. and then left for 20 to 30 min. restart there is a randome misfire till coolant temp.gets back down to 198 degs. it runs fine again .Swapped cmplete coil+mod. assembly with a known good one- the same thing happens. Isolated the assembly and kept cool same thing. Changed crankshaft sensor and oxygen sensor.Fuel pressure and volumn good.HELP!

 

Customer (name blocked for privacy)
Status:  Closed   Value: $20
Answer
July 11 8:02 PM (2 hours and 18 minutes and 35 seconds later)
         
REPLIEDCheck Mark
Sounds like bad tune up parts. They uasually go bad under a load like under accelleration. If a plug is cracked, it may not show up until it is realy hot, like 210+deg. Very simple to do and very cheap. Very common! Good luck let me know!

Edited by amedee on July 11 2006 at 8:02 PM
Picture
AMEDEE -- ASE MASTER TECH -- 98% Positive Feedback on 1107 Car Accepts
ADVANCED LEVEL SPECIALIST
Reply
July 12 6:36 AM (10 hours and 34 minutes and 48 seconds later)
         
Reply to amedee's Post: Sorry, Iforgot to tellyou plugs and filters changed also.Customer (name blocked for privacy).
Customer (name blocked for privacy)
Answer
July 12 8:05 PM (13 hours and 28 minutes and 13 seconds later)
         
THIS ANSWER IS LOCKED!
You can view this answer by clicking here to Register or Login and paying $3.
Picture
AMEDEE -- ASE MASTER TECH -- 98% Positive Feedback on 1107 Car Accepts
ADVANCED LEVEL SPECIALIST
Think you can answer this question?
Login or Become an Expert

Related Answers

 

DISCLAIMER: You acknowledge that any information you may obtain from individuals you contact through use of the Just Answer service comes from those individuals, not from Just Answer!, and that Just Answer is not in any way responsible for any of the information these third parties may supply. The site and services are provided "as is" with no warranty and no representations are made regarding the qualification of an Expert. Responses and comments on Just Answer! are for general information and are not intended to substitute for informed professional advice (such as medical, legal, investment or accounting) and do not establish a professional-client relationship. Just Answer! is not intended or designed to address EMERGENCY QUESTIONS which should be directed immediately by telephone or in-person to qualified professionals. Please carefully read the Terms of Service.

Just Answer! > Car Repair