Question about 1999 Dodge Durango

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Check engine light shows misfires in two cylinders and backfires.

I changed the spark plugs wires distributor cap and rotor. No change. It actually started getting worse. Changed timing chain and gears. Still lopes in idle and backfires on acceleration. Also consumes a lot of oil. Could this all be caused by the gasket being sucked into the manifold intake? I haven't checked this yet.

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Yes it could. make sure to use the correct champion plugs as well. Make sure your firing order is correct as the intake shouldn't cause a back fire. 1-8-4-3-6-5-7-2.

Posted on Jun 29, 2009

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2000 trail blazier with random misfire,sulfur smell, glowing convertor. New cap,rotor button plugs,plug wires and convertor NO CHANGE ! ANY IDEAS ?


Is the check engine light lit ? Any DTC'S - diagnostic trouble codes ? What engine ? 4.3 L vortex . Leaking fuel pressure regulator under the upper intake manifold . Leaking fuel injectors ! Ignition timing problem . How does the engine run ? Who installed the plugs an wires ? are they right ? Fuel pressure leak down test, fuel injector balance testing . Check distributor drive gear an slop in the shaft . Did you have distributor out ? Is it in the proper position ? What cylinder is misfiring ? engine mechanical problem ! What do spark plugs look like ? fouled , soaked with fuel . Do a engine compression test .
The camshaft drives the distributor shaft which rotates providing a spark to the correct cylinder by way of the cap and rotor. The camshaft position sensor functions much like the crankshaft sensor previously described but provides only a 1x signal to the VCM. That is, for every 2 rotations of the crankshaft, there is 1 rotation of the camshaft. Note that the CMP sensor will not affect driveability. The sole purpose of the CMP sensor is to provide the VCM with the necessary information for the misfire DTCs.

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I have a 98 honda accord 5 spd it has a 4cyl motor vtech i just need to know how to fix a miss fire in cylinder 2 and wich one is cylinder 2


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Your misfire can be cause by couple of things but the cheapest way that you can try to fix your car is to do a tune up by replacing:
1)all spark plugs
2)do a oil change
3)spark plug wires
3)distributor cap and rotor

note misfire can be cause by:
1.bad gas
2.spark plug and/or wire
3.distributor cap and/or rotor
4.valve adjustment
5.injector
6.off timing
7.ECM
8.bad wiring(power, ground or feed line)

Jul 08, 2011 | 1998 Honda Accord

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It is missing when i first start it and check


Hi:
It seems that your intermittent problem could be a cheap fix,and you can try a few things that might fix or eliminate the problem. Since the code pointed to the #1 cylinder misfire, You could change out your spark plugs and spark plug wires as a possible cause. If it doesn't fix it, they were 5-6 years old, and a new set isn't a bad investment. If the problem persists, then you are looking at a ignition coil, coil pack, distributor cap/ rotor,depending on your particular engine. Often if you have an ignition module failing, it will affect all cylinders misfiring, often randomly , so once you change your plugs and wires, have someone clear the check engine light, so if it comes back on ,you can check to see what the new code problem is...I hope you get a cheap fix!

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Sounds like you have the firing order right but your off on the #1 on the distributer. Every time you get an explosion coming from the carb its misfiring. Find the #1 on dist and continue with firing order

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1997 Mazda Protege-Engine Light-Cylinder 2


I would change the following in this order if your are tight on money...if not you could have it done all at once.

1. Change Spark plugs (most likely cause of the misfire)
2. Change Spark plug wires
3. Change Rotor Button (this is inside the distributor cap)

All three are fairly easy processes. I would try this first before giving up on the engine. Hope this helps.

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