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Lr2 misfiring p0302

Swapped coils and new plugs still misfires

Posted by Anonymous on

4 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 14585 Answers

SOURCE: is there any "known issue"

There is a 12 volt feed to the coils. The control module only controls when the spark goes to the cylinders. If you bought made in china junk, this is why you smoked the coils. 20% is bad at the git go, 30% goes out in a month or two. 5 to 10% might make it past the warranty.

Posted on May 24, 2011

t_aforrester
  • 93 Answers

SOURCE: p38 misfires and pops when hot

it is possible that you have access carbon buildup around your valves or on top of the Pistons that gets hot and on cruise causes the engine to misfire.It is also possible that you have some water in the mix that is forced through under normal conditions that under cruise conditions is causing problems also.

Posted on Feb 19, 2012

  • 65 Answers

SOURCE: GETTING CYLINDER 4 MISFIRE ON A 2003 FREELANDER. STARTING MY FIX WITH A CHECK OF CYLINDER 4 COIL AND PLUG. ANYBODY HAVE INTELL WHICH ONE IS #4?

cyl 4 is gearbox side of engine

Posted on Apr 21, 2013

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1 Answer

I scanned vehicle obd scanner and got code P0304 misfire #4. What should I look for? To solve problems


Swap the #4 coil with #3, swap #4 spark plug with #2 and swap #4 injector with #1. Clear codes. Drive the car until it has a misfire code, again. If you get P0303, it's a bad coil. If you get P0302, it's a bad plug. If you get P0301, it's a bad injector. If you get P0304 again, it's a mechanical engine problem, like a burned valve, bad intake manifold gasket, worn cam, etc. or a wiring harness issue to the coil or injector, maybe even a bad computer.

May 06, 2015 | Cars & Trucks

2 Answers

Why won't my car start?


P0300 multiple misfire
P0302 misfire cylinder 2
P0306 misfire cylinder 6

Apr 25, 2015 | Cars & Trucks

2 Answers

P0302 cylinder 2 misfire detected


the problem is a sparkplug or wire you must be replaced

Apr 22, 2014 | 1999 Toyota 4Runner

1 Answer

P0302


Cylinder misfire on #2 cylinder,

Takes all to fire a cylinder (Fuel, Spark, Air & Timing) properly. Easiest to check is spark. Pull the plug and look at it. Is it wet and smell like fuel? If so, then swap it with cylinder next to it. If the problem moved, then its the plug. If the misfire is still on Cylinder #2, then swap the plug wire (both ends). If the misfire is still on Cylinder #2, then swap the coil. (see where this is going?) If the plug is dry, then check the fuel injector for operation. Noid light tester or you can get a long screwdriver and stick one end on your ear and the other on the injector - it should make a steady, rhythmic clicking sound if it is functional when car is running. No sound? Replace. Is the plug oily? Check cylinder #2 for compression. No compression or little compression means either head gasket blown or bad/sticking valve (intake or exhaust) = big money to get fixed. Timing on one cylinder is hard to test without correct test tools. Timing is likely not a problem on a single cylinder misfire. Good luck.

Apr 21, 2014 | 2004 Nissan Sentra

1 Answer

97 chevy tahoe running rough update....


code P0303 is a misfire code for cylinder # 3, Possible spark plug, wire/coil or injector problem. P0141, bank1 sensor2, is the upstream oxygen sensor, this code may have been set by the misfire of Cyl #3, the lean condition is being cause by the misfire. Fix the misfire and clear the codes and P0141 should not return. If the vehicle is equipped with Coil over plug system try swapping the coil with any one of the others, test drive and if the misfire code changes to another P0300 code ( P0301, P0302, P0304 etc...) the coil has failed and will need to be replaced.

Jan 23, 2014 | 1997 Chevrolet Tahoe

2 Answers

What does code p0302 mean on 2005 chevy colorado


cylinder number 2 misfire bad plug bad coil swap them with another cylinder and see if it changes p0301 is number 1 misfire p0306 is number 6 they also crack cylinder heads so swap around the coils first

Apr 27, 2012 | Cars & Trucks

2 Answers

Detected problem with P0302 misfire what is this


p0302 is number 2 cylinder misfire. it could be anything from plug, plugwire, or the coil for that cylinder. check plug and or wire first. have a good day ! p0303 is # 3 cylinder etc.

Jun 26, 2011 | Chrysler Cirrus Cars & Trucks

2 Answers

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.

May 07, 2011 | 1998 Volkswagen Passat

1 Answer

2003 mercedes Benz C240 codes P0300, P0301, P0302 and P0303. Please, help me how to fix?.


P0300 Random Misfire Detected
P0301 Cylinder 1 Misfire Detected
P0302 Cylinder 2 Misfire Detected
P0303 Cylinder 3 Misfire Detected
according to this fault codes first mark ignition coils
3 ---------------- 6
2 ---------------- 5
1 ---------------- 4
RB-------------LB
this right banks and left bank, please remove Ignition coils with lids and spark plugs from right bank and swap with left bank, if fault code change as
P 0304 Cylinder 4 Misfire Detected
P 0305 Cylinder 5 Misfire Detected
P 0306 Cylinder 6 Misfire Detected
You can Identify it's a faulty ignition system then next swap ignition lids from ignition coils be careful each coils have two lids one short and other long bit deference and when you remove and fix it to the car keep in mind correct order because each coil two different fire for two spark plugs don't mix up, if you mix it can create the fault code.if you detect any fault ignition coils or spark plugs or lids replace that and also whether god or bad recommend to replace spark plugs, find the right that's most important thing, if this way couldn't found the any ignition fault next step is check fuel presser, when the engine running fuel presser must be around 4.5 bar without engine running must be 4 to 6 bar if the fuel presser too low need to check two different things one is fuel pump other is fuel injectors, in this case you can swap injectors from right bank to left bank and find is the injectors leaking, if not leaking faulty fuel pump.is this information helped you? if yes please leave a comment,

Oct 15, 2010 | 2007 Mercedes-Benz C230 Sedan

3 Answers

Code po302 2002 jaguar s-type. rough idle.


P0302= # 2 cylinder misfire,
check plug,plug wire,injector or coil

Dec 26, 2009 | 2002 Jaguar S-Type

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