Question about Cars & Trucks
The fuel injection system gets information from a "temperature sensor" that can go bad. It's likely not expensive, but can be awkward to replace.
Posted on May 06, 2014
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Posted on Jan 02, 2017
My 2002 Lesabre (app 115000 miles) started something like this. Also the loose gas cap had been coming on for quite a while. I replaced the vacuum line from the air intake to the fuel sensor. It is under the engine cover (twist off the oil filler to remove the cover). There are two hoses together that come of the air intake. The small one goes to the top of the engine. The other goes across the front and makes a 180 turn back to the sensor. Chances are the 180 piece is cracked. It all comes from the dealer as one unit. $25
Seems to have fixed my problems. So if your car is running a little rough. Shutters under load. If the gas cap loose is coming on or probably a number of symptoms this might be the answer. I would replace this item. A cheap try.
Posted on Mar 12, 2010
I replaced the upper & lower manifold runners seals, now it runs perfect, The reason it runs ok when warm is because the manifolds expand and seal the gaps on the surfaces that the worn old seals are not closing. Also change the spark plugs.
Posted on Jan 20, 2010
SOURCE: ROugh idle
there are 2 things that usually cause this, one is a dirty intake idle control valve and the other is hard engine mounts, I would say that both most likely apply to your car. try cleaning the intake with the following procedure from Ford.
Here is the most common cause of surges and stalls and low idle rough idle, it is the idle speed control air-bypass valve and throttle valve (IAC for short), they get full of gunk 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 Feb 18, 2009
sounds like your egr valve is gummed up or bad. this is located behind the throttle body and has a single vaccum tube connected to it. if the diafram is still good you can remove it and clean it with WD 40 until the plunger works smooth
Posted on Nov 08, 2009
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Aug 24, 2017 | Mazda Cars & Trucks
Nov 29, 2012 | 2002 Mazda Tribute
will not idle when cold?
runs lean and idles rough?
Engine stumbles coming off idle when warm?
Erratic idle on car?
Low idle when cold out side?
Idle Air Control (IAC) Valve Replacing?
Engine quits at idle?
Car overheats and Air blows hot at idle?
While stop engine idles like cylinder missing?
Feb 29, 2012 | 2005 Mitsubishi Space Star
Car overheats and Air blows hot at idle? http://howtobyme.blogspot.com/2011/11/car-overheats-and-air-blows-hot-at-idle.html
------While stop engine idles like cylinder missing? http://schematicsdiagram.blogspot.com/2012/01/while-stop-engine-idles-like-cylinder.html
---------This will help.Thanks.
Feb 26, 2012 | 1999 GMC Savana
Dec 13, 2010 | 2001 Mazda Tribute
Oct 30, 2010 | Mazda Tribute Cars & Trucks
Jan 20, 2010 | 2001 Mazda Tribute
Jan 15, 2010 | 2001 Mazda Tribute
Oct 09, 2009 | 2001 Mazda Tribute
Dec 15, 2017 | Chrysler Cars & Trucks
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