92 Excel Rough Idle Coming To A Stop

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92 Excel Rough Idle Coming To A Stop, Rough Idle

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Falconrob View Member Profile	Feb 12 2005, 10:48 AM Post #1
Newbie Group: Members Posts: 2 Joined: 12-February 05 Member No.: 5,035 Status: Location: Idaho Drives: 1992 Hyundai Excel	I have a 1992 Hyundai excel that I have taken care of for almost 12 years. I have no major complaints, amazingly. So what I have is when I start the car in the morning it runs just fine, however when I back up out of the driveway the idle lopes or seems to want to almost stall. It does it regardless of whether or not I have lights on or not. I also drive down the road and as soon as I let off the gas the car seems to almost stall, but it always recovers if you give it a few seconds. Anyone have any ideas? I have changed the plugs, air filter, fuel filter, advanced and retarded the timing so far with no luck. Thought about bumping up the idle?????? Thanks.

lx003 View Member Profile	Feb 15 2005, 11:12 PM Post #2
Newbie Group: Members Posts: 2 Joined: 2-October 04 Member No.: 1,521 Status: Location: Australia Drives: Hyundai excel sprint 1993	Got the same problem on my 93 sprint. I just keep the revs up, works ok.

Falconrob View Member Profile	Feb 16 2005, 11:00 PM Post #3
Newbie Group: Members Posts: 2 Joined: 12-February 05 Member No.: 5,035 Status: Location: Idaho Drives: 1992 Hyundai Excel	I cleaned my throttle valve of carbon deposits. Of course the problem has shifted to an idle that fluctuates due to the idle position sensor plunger. Any ideas?

lark70 View Member Profile	Feb 20 2005, 01:16 AM Post #4
Newbie Group: Members Posts: 3 Joined: 7-November 04 Member No.: 2,264 Status: Location: Canada Drives: Elantra	Test the battery, my wife;s 95 had the same problem stalling, the dealership raised the idle but that cured it for a bit, but it came back. I took the battery and got it tested and it was dead, after installing a new battery have not had it stall anymore.

duke View Member Profile	Feb 20 2005, 06:16 AM Post #5
Community Advisor Group: Community Advisor Posts: 1,830 Joined: 31-October 04 Member No.: 2,122 Status: Location: Holland Landing, Ontario, Canada Drives: 2007 NF Sonata 2.4L	Sorry I didn’t see this tread earlier. Have a Hyundai tech check the resistance of stepper motor (idle servo) and circuit.

mofomj View Member Profile	Feb 27 2005, 07:53 PM Post #6
Newbie Group: Members Posts: 4 Joined: 27-February 05 Member No.: 5,531 Status: Location: poulsbo, WA Drives: Toyota Tundra Li,ited 4x4 TRD	QUOTE(duke @ Feb 20 2005, 06:16 AM) Sorry I didn’t see this tread earlier. Have a Hyundai tech check the resistance of stepper motor (idle servo) and circuit. [right][snapback]7320[/snapback][/right] What about the issue with regard to the ECU and bad capacitors on the board? Check out the Technomotive website for diagnosis and testing methodologies. Regards, mofomj

ramachandran_ips View Member Profile	Mar 18 2005, 12:56 AM Post #7
Newbie Group: Members Posts: 12 Joined: 11-February 05 Member No.: 4,999 Status: Location: coimbatore,tamilnadu,india Drives: 2004 hyundai santro xing	your problem is: I back up out of the driveway the idle lopes or seems to want to almost stall please refer the statement After combustion, engine stall or rough idle below 50 c this will be due to a.wiring connection loose or bad wiring b.glow plug malfunction c.glow plug relay malfunction d.ECM failed for further details contact me at ramachandran_ips@yahoo.co.in ramachandran_9455@yahoo.co.in ramachandran_ips@sify.com :)

hystat View Member Profile	Mar 19 2005, 02:42 AM Post #8
Newbie Group: Members Posts: 21 Joined: 13-March 05 Member No.: 5,896 Status: Location: City? of Kawartha Lakes, Ontario, Canada Drives: 99 Sonata, 94 Eggshell, 2004 Kia Magentis	glow plugs? you guys have diesel Excels over there? how cool is that. they're all petrol powered over here.

duke View Member Profile	Mar 19 2005, 07:38 AM Post #9
Community Advisor Group: Community Advisor Posts: 1,830 Joined: 31-October 04 Member No.: 2,122 Status: Location: Holland Landing, Ontario, Canada Drives: 2007 NF Sonata 2.4L	Oh boy, have I been off target again, or what. The Excel has no stepper motor (was thinking of the Elantra, this happen when one doesn't see the car). Have a Hyundai Tech check & reset the engine base settings, it's max a 1/2 hour job.

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