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Idling problem


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chipvan
New User

Aug 1, 2007, 4:41 PM

Post #1 of 4 (1407 views)
Idling problem Sign In

I have a 94 Mercury Topaz. The car is idling so fast that I have difficulty coming to a stop. It is idling at between 2000 and 3000 RPM. It used to idle at just under 1000 RPM before a mechanic replace one of the vacuum hoses. It is maintaining this idling speed and will not drop back down to around 1000 RPM. If I press the accelerator it get worst without dropping back. Could the problem be some type of sensor problem?


Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Aug 2, 2007, 1:06 PM

Post #2 of 4 (1401 views)
Re: Idling problem Sign In

If this happened right after the vacuum line was replaced why aren't you going back there to see what happened?

T



1dodge1mopar
User

Aug 6, 2007, 5:56 PM

Post #3 of 4 (1395 views)
Re: Idling problem Sign In

take your car to a good mechanic and have him check the vacumn hose connections. it sounds like you have a vac hose loose or not connected correctly, causing an erroneous vac signal. the easy solution is, if you have the knowledge, is to back off on the carb adjusting screw/throttle adjusting screw on the throttle linkage on FI engines. another possibility is that your engine might have been timed with the vac hose off the distributor and not replaced after timing and someone working on your engine hooked up all vac hoses correctly in finalizing their work causing an increased idle.


thomas74
User

Sep 3, 2007, 2:19 PM

Post #4 of 4 (1366 views)
Re: Idling problem Sign In

take some spray and spray roud ur engine if it phase it the u know it is a vaccum leak i like using propane it is better but carb spray will work does sound like a vaccume leak






 
 
 






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