Question about 2000 Ford F150 Flareside SuperCab

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V-6 cylinder-2 missfire

Spark plugs allready, changed plug wires replaced.

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U did the 1st two things I would have suggested, next would be the injectors. Curt

Posted on Mar 12, 2009

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I have a 1994 ford mustang 3.8 v6, when i bought the car it had a slite misfire,i bought a new coil pack, changed the plugs and wires, I hooked up the coed reader and it pulled up P0302. cylinder number 2...


check your compression, you might have low compression in that cylinder-also check your fuel injector in that cylinder, it may be damaged (wiring/connection) or defective.

Jun 01, 2011 | 1994 Ford Mustang

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98 passat # 2 missfire help


If your getting a P0302 ( cylinder #2 misfire detected), the first thing to check is the spark plug. If it's new then the next thing to check is the plug wire. If it has individual coils, then swap it out with another one and see if the misfire moves too. If so then the coil is faulty.

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Missfire on cylinder n 2 p0302/po316


MISFIRE ON CYLINDER 2 COULD BE LEAKING INTAKE AT CYLINDER 2 OR DIRTY CLOGGED FUEL INJECTOR AT 2 CYLINDER.REPLACE AIR FILTER IF IT LOOKS DIRTY AND CLOGGED UP AND CHECK TRANSMISSION FLUID LEVEL.IF FLUID LOOKS BURNT SMELLY CHANGE FLUID AND FILTER.

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1999 cadillac escalade missfiring cylinder #6


do you have a seperate coil for each spark plug check ur coil for number 6 or fuel injector

Feb 05, 2010 | 1999 Cadillac Escalade

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I have a missfire code on the check engine light. 1997 honda prel


Find out which cylinder is missfiring by using an inductive timing light to check each plug wire for spark. If you find a dead wire you should replace the all the wires and spark plugs. If you don't find a dead wire check the distributor cap. You could have a broken contact or a crack which might cause a loss of spark at one cylinder.

Honda wires are much better than their aftermarket counterparts so don't skimp there.

I hope this helps. Good luck and be careful!

Dec 11, 2009 | 1997 Honda Prelude

3 Answers

Missfire in cylinder 2


I assume you know the problem is a misfire in #2 cylinder from checking the diagnostics code. Although these codes can be helpful in narrowing down a problem they lack specific details. In the case there are several possible items that could trigger the engine fault code P0302

These include:
  • Faulty spark plug or wire
  • Faulty coil (pack)
  • Faulty oxygen sensor(s)
  • Faulty fuel injector
  • Burned exhaust valve
  • Faulty catalytic converter(s)
  • Running out of fuel
  • Poor compression
  • Defective computer
Before you spend any money to resolve this you need to narrow this list down even more. Start by pulling the plug. Do a image web search on "spark plug diagnosis". This will give you pictures of plugs with a variety of problems to compare with yours and give you an indication whether or not the plugs need replacing. Next if possible switch #2 plug wire with another. Make sure you switch both ends (coil end and spark plug end) of the spark plug wire.
These are the no or low cost options. Beyond these you will need to start replacing items like the Ignition Coil and O2 sensor.
If you are still having the problem after checking and/or replacing the items listed above, your next step is a compression test on #2 cylinder.
If you get to this point please repost here with the results with the wires and plugs and I will give you the steps to follow with compression testing.
Hope this helps.

Oct 14, 2009 | 2001 Ford Ranger Regular Cab

3 Answers

Cylinder 3 missfire, changed plugs, wires and fuel injector


misfire only comes from the coil packs.. replace them

Aug 03, 2009 | 2000 Oldsmobile Alero

2 Answers

Missfire cylinder 4


Look for oil in the spark plug wells from a leaking valve cover. This can cause a cylinder misfire. Old and worn spark plugs as well as plug wires can cause this as well.

Jul 01, 2009 | 1997 Saturn SL

5 Answers

Hi, I have a 1997 Porsche 993. Motronic 5.2 M07. I am getting these fault codes 1) 62 misfire emissions-relvant 2) 51 Cylinder 2 misfire emissions-relevant) 3) 54 Cylinder 5 misfire ...


misfire :-------- try checking your 02 sensors /fuel pump and filter.

for 51 cylinder misfire :---
Change the coil. Period. Very easy to remove from the vehicle if it's a 4 cyl. Follow that spark plug wire from the spark plug to the other end. What it's attached to you should replace
for 54 cylinder 5 misfire :---First you have to eliminate the most obvious problems, like spark plug and spark plug wire. If you replace those and you still have a misfire, then it's a good idea to look for a vacuum leak in the intake manifold

Mar 07, 2009 | Porsche 911 Cars & Trucks

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