Question about 1992 GMC Suburban

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Car idles rough sometimes,and the abs and check engine light comes off and on

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Check your fuse for the check engine and abs light bt 4 the car idle it has to be changed

Posted on May 04, 2010

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2002 ford windstar rough idle


Sounds like you never diagnose any fault codes
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1992 fuel injection 2.6 idle high and loping?


The brake and ABS lights could be on because of a brake or ABS problem. The ABS system uses the hydraulic brake system in addition to the ABS components.
The high idle could be a vac leak or a problem with the idle air control valve. You could check the computer for trouble codes even if the warning light does not stay on.

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Idles rough in drive,runs good on open road,noticed while idleing if i open oil fill cap if goes pufffffff like relieving pressure,should it build pressure in the motor like that,i put new plug wires,new...


All automatic ZX2's have a rough idle in gear. Ford even put out a TSB and tried to fix it with no success. The engine is internally balanced and does not have a harmonic dampener. This means you get all of the engine vibration transferred to the frame. I own three ZX2's, my sister has one, my friend has two, they all have rough idle in drive.

The noise you get from the oil filler is normal to an extent. It is an overhead cam engine so you will hear noise from the oil filler. The oil you see on the spark plugs is likely from the valve cover gasket. That is the only place the oil can come from and get onto the top of the spark plugs. It can't travel through the spark plug threads and get on top from the combustion chamber.

It is good you replaced the PCV valve (I know it is hard to reach) but did you replace the breather? There is a round black box with a hose coming from the intake that goes onto the top of the valve cover. This is the air inlet for the PCV and if it gets clogged it will allow pressure to build up in the crank case.

Mar 04, 2011 | 2003 Ford ZX2

1 Answer

Check engine light on Horn blows was blowing


1. Check engine lights come on for numerous reasons ranging from a bad CO2 sensor to the Catalytic Convertor being bad...a garage has the computer and the codes to tell you what is wrong, rough running, again, cold be numerous problems, fuel filter bad, worn plugs, broken plug wire/s. Sometimes, the reason the light comes on doesn't hurt the engine at all, and sometimes it means you NEED to get it looked at right now!

2. Horn could, and probably did have a short circuit somewhere, but really how often do you use a horn?

3. One more time, numerous reasons why the ABS indicator is on.

Without the vehicle being right in front of a person, especailly when three troubles are listed it's very-very hard, if not impossible, to make a good call.

I hope this helps you out some how.

Terry

Aug 11, 2009 | 1998 Oldsmobile Cutlass

2 Answers

Rough idle


I had the same exact problem on my 2004 Colorado (3.5L). Cleaned the MAF sensor (with MAF sensor cleaner) and throttle body/plate - cleared it right up.

May 10, 2009 | 2006 Chevrolet Colorado

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Traction/ABS, Security Light & Rough Idling


YOUR CAR HAS AN ABS SENSOR ON EACH WHEEL! YOU SHOULD HAVE THE CODE READ SO U KNOW WHERE TO START.MAY SAVE YOURSELF SOME MONEY.ROUGH IDLE W/HEAT ON.CHECK THE VACUUM LINES GOING THROUGH THE FIREWALL.WHEN U HAVE THE HEATER ON THE VENTS RUN OFF ENGINE VACUUM.LOW ENGINE VACUUM=ROUGH IDLE.G.M. NEEDS A 100K WARRANTY.THERE STUFF KEEPS THE AUTOMOTIVE REPAIR SHOPS VERY BUSY.

Apr 21, 2009 | 2001 Chevrolet Monte Carlo

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Very Rough Idle and sometimes cuts off while idling





sounds like bad Idle Air control valve Not Cheap


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Jan 06, 2009 | 1993 Nissan Maxima

1 Answer

Speedometer, check engine, hazara and tcs lights stay on,


Hi,
It ken be many problems,bad contact ,clamping force,tcs/abs unit.
The best you ken do is conect the TECH2 to check def.codes!

Dec 20, 2008 | 2001 Saab 9-3

1 Answer

Engine light


you have to scan it and see what code is in it if it's a p0171 or p0174.check for vaccum leaks.they will cause both your engine light to come on and run rough.if you have ap0301.p0302 ect.that means you have a miss fire

Jun 18, 2008 | 2002 Ford Taurus

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