Question about Chrysler Cars & Trucks
My car starts idling up and down, up and down, after I start it when I will be going back home from somewhere. In other words, like if I go to a store or something, I will shop for maybe 20 minutes. Then when I come back out and start car to leave or head back home, the idle is all over the place! 1100 rpm's in park, 900 rpm's in park, 1200 rpm's, 600 rpm's, 1100, 800, 1200, 700, 1000, 600, 1100, 800, etc, etc! Back and forth while in park. And when I put it in drive, with my foot on the brake, not moving, it still does it. When I take off(slowly) it's still doing it, kind of real light bucking a little tiny bit, and it just doesn't take off exactly right, not like it did when I left home, it's back and forth with the surging and stalling so to speak. 1100 rpm's, 600 rpm's, 1200, 800, 1000, 500, you get the point I'm sure. Sorry. It's just up and down, up and down, it's crazy because it don't do it before I leave to go somewhere and it idles like a kitten purring at home before I go somewhere! It's like 10 or 20 or 30 mins after I have shut it off that when I go to start it again, it starts the surging and falling, back and forth. It does have brand new factory plugs and new NGK wires. Its the 2.5L, 1st gen, 2000 Chrysler Sebring Conv with only 94k miles. Thanks for any info! Thx a lot.
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Posted on Jan 02, 2017
I had the same issue on my 99 Trooper.
It would usually start when completely cold, but idle around 2k RPM.
It would drive fine. But if I shut it down, ran into a store, and came back out, it would start but immediately idle.
Had to ride the gas a little to get it into gear.
The Check Engine light has been going on and off for 6 months or so.
I took this to my local trusted repair shop (no Isuzu dealers within 200 miles).
The diagnosed the light, and found that the Intake Gaskets were bad or leaking.
The idling problem was related to the car not being able to control the amount of air coming in.
They replaced the Intake gaskets by the next day, and I haven't had a problem since. And no more check engine light, which has been on half a year.
Here's some details from my bill:
(1) Intake Gasket set $107.95
Misc materials $21.00
2.1 hours of Labor
The total cost to me was $345.00, and I definately don't feel gipped.
Posted on Mar 06, 2009
Josh, Did you output the car's diagnostic codes before you reset the computer?
Just to confirm: your car has the "FS" engine - 1991cc double overhead cams?
built on the Mazda "GE" platform?
does your car have an "engine check light" or "MIL" on the dashboard? if so where and what does it look like and what does do ? ie: comes on when ignition is turned on & goes out after engine starts. or comes & goes out after x seconds. etc etc
are you 5sp manual or auto trans?
does your car have a diagnostic plug with a flip open lid just behind the battery near the front left suspension tower?
Posted on Apr 25, 2009
Check for vacuum leaks. Also try cleaning the ISV.
If that doesnt work go to vwvortex.com and post your issue there
Posted on Jul 08, 2009
Very common problem is about a dime size hole wearing in the rubber elbow on the PCV valve located on the driver side rear of the intake manifold.
Posted on Oct 13, 2009
Had same problem on 93 LS400, timing was off one tooth on left camshaft gear. Replaced belt and reset and no more problems. (Spent 1200.00 on repairs I did'nt need)
Posted on Feb 25, 2010
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