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Mazda tribute 01 runs rough when cold, fine when hot. Won't idle smoothly when cold

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  • Cars & Trucks Master
  • 2,827 Answers

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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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: 2000 LeSabre starts but runs very rough and stalls. After

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

  • 2 Answers

SOURCE: 2001 mazda tribute v6 runs rough cold ildes at

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

emissionwiz
  • 76846 Answers

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

  • 474 Answers

SOURCE: 87 chevy 350 fuel injected pickup wont run smoothly

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

  • 78 Answers

SOURCE: 2003 Mazda MPV ES that idles very rough when warm

that means could be vacuum leak

Posted on Jan 10, 2010

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1 Answer

2001 mazda tribute


I would replace the engine and transmission mounts, they are hard and transmitting engine vibration to the chassis.

Feb 28, 2014 | Cars & Trucks

1 Answer

My 2001 Tribute has a very rough idle on cold start, and sometimes won't idle w/o manually using the accelerator.


Replace the gaskets on the intake manifold. My tribute was doing the same thing. Replace all spark plugs at the same time since the manifold is already off. They found small amounts of oil in my first 2 valves and plugs, but other 4 were dry. My car idles great and runs great now and it was a cold morning today!!! Also go ahead and replace the idle control valve if you like. I had to replace this first in the car with idle problems. Charge for replacing gaskets and plugs and cleaning it up in the cylinders.... $250.00 and it was well worth it! I have a side mechanic and do not go to dealers or other shops in town.

Dec 13, 2010 | 2001 Mazda Tribute

1 Answer

When my mazda tribute is cold it runs bad idles up and down and rough but when its warm shes good


check your air intake hose for slits between convolutes. 5" hose between air and throttle body on engine

Oct 30, 2010 | Mazda Tribute Cars & Trucks

1 Answer

2003 Mazda Tribute will start, idle rough for a


check the fuel filter air filter and vacuume lines if they all good make sure the spark plugs are making a bright blue spark

Jan 20, 2010 | 2001 Mazda Tribute

3 Answers

2001 mazda tribute v6 runs rough cold ildes at about 200 rpm till it warms up then its ok what could it be


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.

Jan 15, 2010 | 2001 Mazda Tribute

4 Answers

My '01 Tribute V6 3.0 has a rough idle at a cold start up, once the engine is warmed up and I have been driving for 5-10 minutes it clears up, but until then it will go dead if I do not give it gas at...


Don't waste your time. Have the intake manifold gaskets (upper and lower) replaced. Check all vacuum lines for leaks. Clamp all vacuum hose connections.
Do NOT replace any sensors unless the computer codes indicate.
THIS WILL FIX YOUR PROBLEM!

Oct 09, 2009 | 2001 Mazda Tribute

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