Question about 2001 Mazda Tribute
Code p 340 refers to cam shaft(CMP) sensor A, bank 1--range /performance problem===causes -wiring---CMP sensor--ECM
take it to an accredited service center that has experience on your make and have it properly diagnosed
Posted on Aug 12, 2017
You say it runs fine. Some time low battery voltage will set it off. P0340
Faulty Camshaft Position Sensor
Posted on Aug 12, 2017
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Posted on Jan 02, 2017
There is certainly a short somewhere. Most dealers will not take the time to find a short, they are in the business of selling parts. I would find a local mechanic that has a electrical specialist on staff to find the problem for you.
Posted on Mar 12, 2009
Stop in at autozone or similar parts store & get free code scan, then see which way to go from there. Cheaper & faster than guessing.
Posted on Jul 08, 2009
check the fuel filter air filter and vacuume lines if they all good make sure the spark plugs are making a bright blue spark
Posted on Jan 20, 2010
Try this, it's cheap, easy and it won't take long...and it will probably help...
I have a 2001 Tribute and ithas had this problem since about 1 year after buying it new. My motherin law also has one and it has the exact same problem. You can crankthe carcold (sometime even warm) and it will die unless you keep the gas pedal pressed in. I suspect that this is a widespread problem with theTribute. Forget about the Mazda dealer helping. There is a very simpleand cheap solution:
1. Locate the idle air controlvalve...looking at your engine from the front of the car, the valve islocated on top of the air intake towards the far right corner of theengine (next to the plastic cover on top of the engine). The valve ismetal, looks like a small metal cylinder is attached to it, and isbolted on with two bolts. It also has wires plugged into it. You can goto google images and type "Mazda tribute idle air control valve" to see what it looks like.
2. With engine off, unplug the wires from the valve.
3. Remove the two bolts and take valve off of air intake.
4.Inside the metal part you removed, you will see two chambers with ashaft going through them that can extend back and forth. The shaft hasa spring on it, and a plug that can open or plug a hole between the twocavities. This is the idle control valve.
5. Take a flat headscrew driver and pry the shaft back and forth a few times to free itup. There will probably be some dirt/grime on the shaft.
6. Takecarburetor cleaner and spray it in the valve cavities. Allow it to soakfor a minute and drain it out. Repeat if needed to clean it out.
7. Blow in it to dry it out.
8. Take WD40 and spray it in the cavities. Drain excess out
9. Take the screwdriver and work the shaft back and forth a few more times. The shaft should move freely.
10. Bolt the valve back onto the engine air intake and plug the wires back up to it.
Startthe engine. If this was the problem, and the engine was stalling justbefore doing this procedure, then it should start right up and idlefine. If it was stalling sporadically when started, it should not anymore. I have to do this procedure with my car every 6 - 12 months. Whenthis problem first occurred with my car it took it to the dealerseveral times. Of course it would not do it at the dealer, and theyclaimed ignorance as to the cause. I suspect this is a cash cow forMazda.
Posted on May 22, 2010
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