Question about 1986 Ford Tempo

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I recently bought an automatic 1986 ford tempo, and when I start it up, it idles about 1.5-2 RPM and pretty erradictly at first, but when I put it in drive the RPM drops and the engine dies. This doesnt happen when I step on the gas immediately after putting it into drive (or reverse for that matter) but this seems like it has been getting progressively worse, for now it stalls at stop lights/signs. Please let me know where I should begin looking for the problem. Thank you. P.S. I also recently took it to a vehicle shop, and paid $200 to have them reset the idle body, and the problem still persist, please, any help would be greatly appreciated. Thanks!

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Great car and one of my favorite ford's from the 80's. I wanted the 2 door coupe, but was too young to but one, now I never see them anymore.

The issue you seem to be have is either vacuum related or transmission related. I say this because when you put the car in drive, you add a load to the engine. If there's any kind of vacuum leak, the engine is them starved for air and can't idle like it should. I'm also going to assume that while in park or neutral, it idles fine??? There are 3 component's needed for an engine to run. FUEL, SPARK and AIR. Remove one of those from the mix and you ain't going anywhere. I mentioned the transmission before because I had a similar issue with an old 1966 Lincoln I had. Ran flawlessly, then one day at a light it kept dying. It was a main seal.leak between the engine and trans, but since you have a front wheel drive vehicle, I would start with checking the vacuum lines and hoses to make sure they're all connected and tight.

Posted on Apr 04, 2017


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Posted on Jan 02, 2017

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SOURCE: stalling

Do this.
Here are some of the causes of surges, stalls at stops, slow idle speed, erratic idle speed, rough idle and engine hesitation (and other problems), it is in most cases the idle speed control air-bypass valve and or throttle valve and upper intake, these area's get full of gunk and combustion residue over the miles and cause idle issues (stalls, low idle) like yours, Get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes, then restart and complete a number of mixed driving cycles, town, freeway, stop and go etc., after a few days the problem will go away as the system will relearn to the clean intake.

Posted on Apr 10, 2009

  • 453 Answers

SOURCE: 1988 Ford Ranger Super 2.9L V6 Hesitating and Stalling out

Check EGR valve this controls idle speed it might have carbon build up hold the valve open. All so check fuel pressure.

Posted on Jun 26, 2009

  • 6 Answers

SOURCE: 1988 Ford Crown Vic Strange Idle

change the egr vavle !!!!!!!!

Posted on Jun 27, 2009

  • 4 Answers

SOURCE: My 2004 5.4L FX4 F150 is stalling out when I get

I'd check the idle air control motor.... replace it. I have ssen lots of Fords have this issue

Posted on Jul 20, 2009

  • 2 Answers

SOURCE: 1988 Ford Crown Vic Strange Idle (Getting Worse)

i am trying to install an aftermarket temperature guage with capillary tube into my 1988 crown victoria ltd 5.0 efi. where does the capillary tube mount?

Posted on Oct 06, 2009

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