Question about 2001 Mazda Tribute
Could have faulty or clogged fuel injectors,could have bad ignition coils bad spark plugs wires or spark plugs, spark plugs probably getting oil on them due to leaking oil leaking by valve cover circular seals around spark plugs or you have a intake manifold leak at cylinder 1 and 2
Posted on Oct 30, 2012
This could be an ignition coil, spark plug, fuel injector or mechanical problem. You will need to isolate the issues and proceed accordingly. I would do some swapping arround. Swap the spark plugs 1 and 2 with m# and four and see if the misfire follows if it does you need plugs do the same with the coils again if the probles switches cylinders replace coils. if not then you may have to llok at injectors, compression and so on but I would try swapping things first
Posted on Oct 27, 2012
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Posted on Jan 02, 2017
SOURCE: cylinder not firing
Have you verified that you are getting spark at the plug when the engine turns over? To do this you can remove the spark plug and insert it into the end of the plug wire. Set the electrode against something metal on the engine. Crank the engine and watch for spark. If you get spark, then you can start thinking about timing, cylinder, fuel problems. If you don't get spark, think about distributor cap/rotor or wire problem.
Posted on Oct 04, 2009
You have done a great test but If I assk you to do a swap of the Ist cylinder plug and injector with one from the 3rd , we can come to a conclusion before we can change the full set of plugs and injectors for a good performance.( only if the mileage is time enough to do the change)
If you have confirmed with the spark and the fuel ( hope the fuel pressure is good and the pump calibrated , even though this is not relevant) please also check the wires to the first plug and the fuel line to the first injector.
I hope there is no issues in the pump finally for not releasing enough fuel to the first.( Check for presence of fuel pressure in this line)
I am sure you are confident enough to get to the fault .
Hope you credit me if this helps a bit. Good day
Posted on Aug 18, 2010
SOURCE: Mazda Millenia 2001 S. Engine
The injectors are weak/faulty.All the injectors needs to be replaced.This will solve the problem.The misfire is caused by faulty injectors.
front plugs (cylinders 2,4,6) and rear plugs (1,3,5) .Replace all the cylinders.
This cylinders gets covered by carbon layer and this causes the injectors to stop working.This carbon gets build up on the injectors due to faulty o2 sensor.So check if there is carbon build up on injectors replace all o2 sensor then check.If still the misfiring is there then replace all the injector cylinders this will clear the problem.
Thanks. Keep updated for any more query. You can rate this solution and show your appreciation
Posted on Sep 04, 2010
check to see if the big hose going from the air filter to the throttle body has a split in the hose convolutes. Thus air is bypassing the MAF sensor. IS CEL light on? Clean MAF sensor wires with carb cleaner too. rpeort results.
Posted on Dec 08, 2010
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