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2006 Pontiac Torrent Misfire cylinder one

Already put plugs & wires & checked out coil

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: cylinder 3 misfire

Make sure you're using the recommended spark plugs. When my car did that, I had put Bosch Platinum Plus-4 plugs in and got that same problem. Turns out the plugs are too hot and cause it to fire prematurely and kick the misfire code.

Posted on Jul 24, 2008

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dustyboner
  • 331 Answers

SOURCE: 2000 Pontiac Grand AM trouble code P0300

Im surprised that didn't fix it. On the Quad4 engine its usually a cracked coil housing.
Have you checked:

  • fuel injectors / fuel pressure
  • coolant temp sensor
  • compression - to check for bad head gasket
  • ignition control module
  • EGR system - make sure the valve isn't stuck
  • crank position sensor.
The crankshaft position system variation compensating values are stored in the PCM non-volatile memory after a learn procedure has been performed. If the actual crankshaft position system variation is not within the crankshaft position system variation compensating values stored in the PCM, DTC P0300 may set.

Posted on Oct 15, 2008

  • 15 Answers

SOURCE: P0300 CODE ON 2001 PONTIAC GRAND AM

Well, the code simply means that the engine has... a random misfire. As to why, that's going to take some work. Is it fuel, timing, compression, or electrical? I'd start with a compression test. Then throw a timing light on it, check for play on the valve train, run some fuel cleaner through the tank, and check your electrical connections. Hopefully, something will pop up. Good luck!

Posted on Nov 23, 2008

emissionwiz
  • 76164 Answers

SOURCE: How do you reset the check engine light on a

disconnect the battery for 5 minutes, this will reset the light, but if the problem that turned the light is no repaired the light will come on again in a few days.

Posted on May 05, 2009

  • 1 Answer

SOURCE: 2001 Firebird 3.8 misfires

Check your alternator see if you have a drop in voltage on your tack,then it is the problem.I too was a victim of high price tune up and still had a problem with a misfire.and cover your coil pack with a piece of rubber water run of onto your power pack .Another thing is to use a silicone spray on all wires.

Posted on Jun 11, 2009

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1 Answer

How to fix cylinder misfire?


did you check the spark plug wire to #2 cylinder?
did check the #2 cyl pressure?
did you check the#2 injector for possible clogged or leaky injector?

Feb 12, 2016 | 2006 Chevrolet Lumina 3.6

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Replaced coil pack on 3800 pontiac bonneville and its still missing what now?


First you need to determine what type of miss you have. Is it random on all cylinders, or is it restricted to one or two cylinders? Random misfire can be caused by crank or cam sensors that are starting to give out. Single cylinder misfires can be due to plugs, wires, coils (you already addressed those), as well as internal issues such as burnt or broken valves.

Oct 23, 2015 | 2000 Pontiac Bonneville

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What do I look for to correct a random misfire code on cylinder 1 and 4 on a 2006 Kia Soreneto 3.5 L? Have a;ready replaced the coil,plugs and wire?


first go over the plugs and wires again. Make sure plugs are gapped correctly, wire boots have good wire connection in the boot top, and the boot is seated correctly on the plug stem. ensure plug wires are soundly seated/connect at the other end. If you still get the misfire code -- get the engine diagnosed -- a sensor or a computer module may be faulty.

Mar 28, 2015 | 2006 Kia Sorento

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Can catalytic converter on 98 Pontiac grand prix cause misfire on cylinders in car


No, a plugged converter would cause the engine not to breathe properly. Too much back pressure would stall the engine or make it run very poorly. It would not be local to any one cylinder-all of them would be affected.

To diagnose a misfire in one cylinder, well, you start at that cylinder. It could be ignition related- the spark plug and spark plug wire for #6, possibly the ignition coil for #6 in the coil pack for the engine. (A v-6 would have 3 coils in the coil pack, one coil for 2 cylinders.) It could also be fuel related, so the fuel injector for cylinder 6 should be considered. And the last reason for a misfire is usually the most expensive repair: low compression in #6. This may be a head gasket problem, or a piston ring problem, or one of the valves for #6 may not be sealing well, causing low compression and the resultant misfire. The engine computer codes a misfire when it senses low power output from that particular cylinder. The misfire causes a lag in crankshaft rotation, and the crankshaft position sensor senses it.

Feb 01, 2015 | 1998 Pontiac Grand Prix

1 Answer

Pontiac torrent cylinder 3 misfire detected


Hello: check the spark plug wire, the spark plug the injector, do a compression check. Diagnosing the problem without a GM Tech2 or aftermarket upscale scanner is a step by step of elimination and guess work. You also need to check the coil for that cylinder. What size engine?

Feb 05, 2011 | 2007 Pontiac Torrent AWD

1 Answer

2006 pontiac grand prix recevied code P0303, changed spark plugs, wires, and fuel injector. Car still shakes and check enigine light is still on. Acceleration is fine.


Spark plugs,wires and injectors, have nothing to do with your problem

PO303 is a misfire on cylinder #3
You may have an individual cylinder coil for that cyl or a coil pack for
several cyl,don't know the engine you have.

You may also have other issues that are causing the shaking

Nov 28, 2010 | 2006 Pontiac Grand Prix

2 Answers

Suv stalls between 45 and 65 mph, already changed plug, wires, coil, and ran a fuel injectiong cleaner! check engine light comes on and off, reads miss fire cyl 1, 3, 5


Spark plug wires will last 20 years in most cases
Spark plugs never fail to fire,they are replaced at 60,000 miles,
not over 3 years,regardless of milage.
Injector cleaner is useless and a waste of money.
How would 10 oz in a 15 gallon fuel tank fix anything
common sense.

Now you diagnose your drivability issue
Retrieve the code,if any, that set the check light,
proceed from there.

You stated a cylinder misfire,so you already know your problem
Coil pack, Coil -On-Plug,what ever you have on your vehicle.

The stalling is another issue,unless the misfire is so bad that it
spikes the computer,comes back on the TPS Sensor and the vehicle
goes into failsafe and shuts off. Still bad coil issues.

Nov 28, 2010 | 2008 Pontiac Torrent

1 Answer

2001 Cougar getting a P0301 & P0303 error...could this be a leaky intake manifold? Already replaced the plugs & wires. It has 114,000 miles


those codes are for a misfire if you've already replaced the plugs and wires and it still throws the same codes check the coil for those 2 cylinders and make sure it's firing if it is check to make sure the fuel injectors are firing on those 2 cylinders a leaking intake wouldn't cause the misfire codes it would throw like a po171 and or a po174 normally

Nov 11, 2009 | 2001 Mercury Cougar

2 Answers

2006 pontiac g6 second cylinder misfired.. check engine light came on got the code says the cylinder misfired. always get the oil changed when its needed we dont beat on the car. Were told a possibility of...


the p0302 code gives u a place to start u can have perfect maintainance with ur car but parts wear out ,go bad,or get damaged-- misfire in cylinder 2 can b a spark plug,a bad wire ,injector starting to clog -start with checking the plug and wire

Oct 26, 2009 | 2006 Pontiac G6

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