Question about 1999 Infiniti.5 QX4

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Sudden rough idling and service engine light is on

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  • Infiniti Master
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This may be caused by a misfire, the best thing to do is have the computer scanned for codes these codes will help in finding the problem,

Posted on Jul 12, 2010

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: Truck losing power and service engine soon light on

Like to other guy said, give it a tuneup. Also try SEAFOAM to clean carb up of slug. Also check to make sure the butter fly for the choke has not come loose, causing it the choke it down. Failed choke pull-off.

Posted on Feb 02, 2009

csmock132
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SOURCE: 97 chevy tahoe service engine light blinks and

The light is flashing because the engine is miss firing. The first thing I would try is replacing the distributor cap and rotor.

Posted on Apr 25, 2009

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SOURCE: rough idle and engine light is on my 2003 aviator 4.6 engine

Problem! I have a 2004 Lincoln Aviator and sunday I filled it up with cheap gas. I noticed Monday on the way to work when I got up to about 20 to 60mph the car strating missing. It was not jerking just missing a little. As the week passed I've noticed that it began to idle rough and it is still missing aroun 40 to 60 mph. I assumed i needed a tune up due to the car has 75k miles on it. I took it in for a tune up yesterday and it did not fix the problem. the mechanic said that i may be having transmission problems. I drove it to work this am and notice that now the emissions service light is on. Any clue to what is going on. Alos noticed this am when I stop at t red light it is missing like the car wants to stale but it does not. Could this be due to bad gas? I have like a 1/4 of that gas left to run out and I'm going to refill with prenium gas and a bottle of Lucas fuel injection. Any other ideas or suggestions of what is going on with this vechile?

Posted on Jul 24, 2009

  • 1 Answer

SOURCE: 2000 Lincoln Navigator with rough idling and service engine light

i had the same trouble, there is a rubber boot under the cover on the top of the motor, it is coming from the egr valve, takes about 5 mins to repair and less than 5 dollars.

Posted on Jul 25, 2009

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SOURCE: 1999 olds alero 2.4 idles rough and stalls when

When did you last change the spark plugs, distributor cap, ignition wires, ignition coil, fuel filter, or the fuel pump? Any one of these could causing your care to stall. Also, have you been using regular gas or premium as premium gas can cause your engine to not combust properly if it wasn't designed for premium

Posted on Aug 07, 2009

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Check engine light flashing check engine soon smell of gas and not running smouth


Check engine light flashing means there is a bad misfire , it flashes to tell you your damaging your catalytic converter . You need to have it check , you don't won't to have to replace the catalytic converter . Can cost up to $1,000.00 . Flashing Check Engine Light CarMD

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I meant how do you replace an egr sensor in a 2005 rendezvous?


A faulty egr would not create a high idle issue. if an egr valve were to open while idling then it would create a heavy stumbling engine or it would die right out. if there is a check engine light on (or service engine soon light) have the codes pulled. Failing that then I suggest taking it to a reputable shop

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Honda accord ex 2001 check engine light suddenly came on, car started to idle roughly


If it's running rough, chances are that it's misfiring. If the Check Engine light is flashing/blinking, it is definitely misfiring.
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Check engine light on, vibration at idle


Generally, the problem is in the emissions or something that is affecting the effectiveness of the emissions, but other causes can trigger the light to come on, too. To determine the cause, the vehicle will need to be taken to AutoZone or a shop that has an OBD2 scanner, or for 1995 and earlier models, an OBD1 scanner, While a scanner will not give you the magic answer, it will give you a code that narrows down the problem area.
Some specific causes for the light to be on are:
Gas cap left off, not tightened, not installed correctly, or needs to be replaced.
02 sensor.
Engine misfire - error might clear itself after 3 complete warm-up cycles; not restarts, but warm-ups.
At start up for a bulb check - Should not stay on.
Details here: http://www.chinasinoy.com/service/why-would-a-check-engine-light-be-on-62.html

Car rough idling causes
misfiring engine is among the most common causes of a rough idle. You may notice your car idling roughly when it's in "Park" or when you're driving it and stop at a stoplight. A rough idle can be caused by damaged spark plugs or spark plug wires or a burned-out valve. It's important to address the cause as soon as possible to avoid potentially damaging the engine. Engine repairs are almost always expensive.
Learn more here:
http://www.chinasinoy.com/service/car-rough-idling-causes-and-how-to-fix-it-108.html

Hope this helpful.
Best regards.

Oct 12, 2011 | 2004 GMC Envoy

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My 1999 Saturn SL2 suddenly started idling very roughly at a light. I put some more gas in it; it was low -- to see whether there might have been moisture in the line/ tank. After that the Service Engine...


Sounds like fuel injectors need cleaned I had this issue but found a really awesome product that my service guys recommended. I believe it's Chevron Techron - in a black bottle - lot cheaper than having injectors cleaned... I used a bottle everytime I changed oil

May 24, 2010 | 1999 Saturn SL

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Truck losing power and service engine soon light on


Like to other guy said, give it a tuneup. Also try SEAFOAM to clean carb up of slug. Also check to make sure the butter fly for the choke has not come loose, causing it the choke it down. Failed choke pull-off.

Dec 10, 2008 | 1995 GMC Sonoma

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Rough idle with check engine light


25 air-fuel ratio
lean
malfunction

Oct 12, 2008 | 1995 Toyota 4Runner

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