Question about Isuzu Rodeo

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1996 v-6 misfires , i've changed the ignition coils what next

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  • bricon Sep 27, 2008

    1996 v6 3.2 misfires number 5 cyl coil on every cyl replaced coil same thing

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  • 154 Answers

If it is missfireing it wasn't your starter coils for a start. A reason your car will missfire is the timing is out. If it starts and runs your timing maybe a 1/2 a degree out and needs adjusting. It may also be one or more of your ignition leads (from spark plug to coils). Easy way to tell is with a timing light just plug leads in one at a time and start your car if timing lamp doesnot light or lights only as missfires change your leads, check your timing also while you are plugged into number 1 spark plug put timing light onto crank shaft pully should light up as a white dot goes past (bottom pully wheel). If you don't have access to timing light you can manually do it just take number one spark plug out with a small but longish screwdriver(careful not to dint or scratch piston head) crank motor by hand useing bottom pully till number one pot is to the top and look at bottom pully if white dot not at top crank motor till pot comes up second time and check pully wheel again. If still dot not on top your timing is out and you need to adjust it. If you find it to be your timing leave me message and tell me if fuel injected or carbureted and if you have magneto or distributer and I will try to help you

Posted on Jul 26, 2008

6 Suggested Answers

haider_alhar
  • 90 Answers

SOURCE: It has a number 2 cylinder misfire. I have already had the plugs, plug wires, and the back coil changed, and it still says it has a number two cylinder misfire. What can I try next?

misfire caused by leaking in the intake valve you must chek it , or may be your car is working rich that means fuel - air mixture is not on the right ratio so check your oxygen sensor

Posted on May 30, 2009

leafsveteran
  • 74 Answers

SOURCE: 6th cylinder misfire. replaced spark plug and

Did u find code p0306 comes up ? Two things can cause this if the plug and coil have been replaced.the intake manifold may be leaking in the area of cyllinder 6 or its a mechanical issue.try doing a cyllinder misfire test and also check the compression on all cyllinders

Posted on Dec 16, 2010

SOURCE: Misfire in cylinder 6. chaned

Plugs get changed at 70,000 miles
I would suggest that you use the OEM
Plugs,they are made by NGK and are special
on my 2004 LS,I don't know about yours.

Clean the MAF Sensor with the CRC Product
for that

Change the 2 front O2 Sensors at 100,000 miles

Check fuel pressure at the fuel rail on engine

The coil you replaced on #6 ,even though you
have a PO306 Code,doesn't mean that was the
bad one. It is a COP Coil or Ford thing, you will
learn as you get involved with them

In some cases, you buy 1 new coil and walk it
from one cylinder to the next.

On single coil codes, you may get lucky,on multiple
codes or a really bad coil you won't

Your not using any fancy test equipment and
unfortunately a lot of repair shops have it and
don't know how to use it,including dealers

V6 or V8 ?

Posted on Feb 25, 2011

  • 88 Answers

SOURCE: I've changed all six ignition

THE FUN I HAD WITH THESE RODEOS BACK IN THE DAYS. Hi Dominque Harris former master technician for izusu. These vehicle will make you spend alot of money. Stop and order yourself a ion sensing/ion sensor. that will seal the deal.

Posted on Jun 02, 2011

  • 1 Answer

SOURCE: 2000 toyota 4runner pulling a random misfire in

I have a 2000 4Runner 4 cyclinder 2.7 misfires at idle only.

Posted on Jun 27, 2011

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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1 Answer

Engine died while driving, no spark, replaced coil, now starts, idles, runs well at low rpm, but misfires when accelerating. No check engine costs thrown. What should I check next.


Change your ignition module. The distributor is a weak point of the Honda, I will always change out the whole thing than just try the coil.

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My 1996 Taurus when I press the gas pedal when cold it sputters and lacks power. When it warms up it runs great.


Possible causes - Faulty spark plug 5
- Clogged or faulty fuel injector 5
- Faulty ignition coil 5
- Fuel injector 5 harness is open or shorted
- Fuel injector 5 circuit poor electrical connection
- Ignition coil 5 harness is open or shorted
- Ignition coil 5 circuit poor electrical connection
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- Incorrect fuel pressure
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The P0305 code means that the cylinder 5 is misfiring or is randomly misfiring. Start by checking for intake leaks an if no leaks are found the next step is to replace the spark plugs on cylinder 5. If the problem persist more tests needs to be done to diagnose problem, see "Possible Causes



When is the code detected? Engine Cylinder 5 is Misfiring.


When a misfire occurs, engine speed will fluctuate. If the engine speed fluctuates enough to cause the Crankshaft Position (CKP) sensor signal to vary, the Engine Control Module (ECM) can determine that a misfire is occurring.



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I have a 1996 crown vic i need to know these trouble codes po301 po304


PO300 Codes-- are cylinder misfires

PO301 thru PO308

Last # is the cylinder

Could be bad ignition coil for a cylinder
or a coil pack for that side,depending what
engine you have

#1 &#4 are at the front & back of the passenger
side of your motor or firewall side if transverse

You will need to provide details of who worked on it
& exactly what was done besides replace a coil based
on a code

Codes aren't very good with COP Ignition but a complete
coil pack on one side should take care of some issue

Vacuum Leaks & other items can cause misfires & the codes
don't tell you to replace ignition parts as you may have

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1 Answer

Its misfiring i have changed the plugs, wires, and ignition coil what else could it be


is it a radon misfire or just one cylinder misfire. your problem is with the ignition control module

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I have a 96 sunfire that misfires and breaks up when it gets over 4000 rpms. It has 150 psi on every cylinder, the timing is right, has good fuel pressure, good plugs and wires, changed all the sensors,...


have you checked your fuel pressure @ 4000 rpms under load going down the road ?.... if good my next step would be ignition module if it has one under the coil packs , not too familiar witrh eco techs

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1 Answer

I have 1996 Dodge Gran Caravan, and it gives me these codes: 27 and 43, what do they mean??


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P0201 - Injector #1 Control Circuit
P0202 - Injector #2 Control Circuit
P0203 - Injector #3 Control Circuit
P0204 - Injector #4 Control Circuit
P0205 - Injector #5 Control Circuit
P0206 - Injector #6 Control Circuit

CODE 43 - Cylinder Misfire, or Ignition Primary Circuit

CODE $# MIL options: OBDII
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P0301 - Cylinder #1 Misfire
P0302 - Cylinder #2 Misfire
P0303 - Cylinder #3 Misfire
P0304 - Cylinder #4 Misfire
P0305 - Cylinder #5 Misfire
P0306 - Cylinder #6 Misfire
P0351 - Ignition Coil #1 Primary Circuit
P0352 - Ignition Coil #2 Primary Circuit
P0353 - Ignition Coil #3 Primary Circuit

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1998 Cavalier No Spark in cylinders 1 & 4


ignition mod. grounds,pcm or timing belt could all be it but, I would have to look at timing first.

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This is a pretty common problem. I would change your valve cover gaskets. They run around ~ 50 bucks. If they are bad it will leak oil into spark plug well and cause a misfire. Very known on the 740.. Also if tune was not anytime not too long ago id change spark plugs while you at it. Then clear the computer and if you still get misfire on 8 try changing the ignition coil which is right about the cylinder with cylinder ignition coil 5. clear the computer. if you get random misfire and misfire cyclinder 5 after then its your ignition coil. parts store runs around 100 bucks

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