Question about 1998 Chevrolet Cavalier

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1998 cavalier mis firing no power code 0172 and code 0300 what could cause this problem

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  • cheinze78 Dec 29, 2008

    i already know what the codes mean but that doesn't tell me what maybe causing the problem

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If you have the 10th character of the VIN go to http://www.troublecodes.net/GM/ you can translate the code here.

Posted on Dec 29, 2008

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Miss fire cylinder 4 1998 chevy metro lsi


check the injector for that cylinder as the electrics is not the only thing to cause a misfire.. Put the injector in another cylinder and see if the misfire has moved

Mar 01, 2014 | 1998 Chevrolet Metro

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2004 Cavalier with 2.2 Ecotech idle is going up and down.


If The code Is PO301 PO302 PO303 PO304 or any one of them .Will show miss fire, Has the car ever been tune up, If not change the (Spark) Plugs,End if that doesn,t work ,Also change the sparlk plug wires, Go the cheap route first. How many KM is on the car?

Oct 09, 2012 | 2004 Chevrolet Cavalier

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At idle the engine misses, off idle very smooth and runs normally computer code multi cylinder misfire. have changed plugs and wires did not help. could it be the coil packs of a fuel problem?


This sounds as if you have a vacuum leak, check all the lines and check the intake. There are a lot of things that will cause mis fire. mis fire code is triggered when the ecm reads a very slight difference in the time the crank sensor picks up a signal. Mis fires can be from electrical, vacuum, mechanical, and eletronic sources. If you can get it to a person/shop that read which cylinder are misfiring this helps alot, narrows the field. Let me know I can help. Also it helps to know what engine we are dealing with

Nov 11, 2010 | 1998 Oldsmobile Aurora

1 Answer

Dodge obd code p0305


The DTC (Data Trouble Code) P0305 is the generic OBD-II DTC for "Cylinder 5 Mis-fire Detected", and it means that the OBD-II control unit has detected a problem with the #5 cylinder.

The problem could be a faulty spark plug, or a spark plug wire for the #5 cylinder, or the coil for that cylinder could be faulty (2.7 liter), or the distributor or distributor cap could be faulty (3.0 liter), or the fuel injector for the #5 cylinder could be faulty.

Before you look for any electrical problems causing the mis-fire on the #5 cylinder, first do a compression check to be certain that the mis-fire is not caused by a mechanical problem.

Here are the firing order diagrams for the 2.7 and the 3.0 liter enginesto help assist you.


2.7 liter

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3.0 liter

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Jul 03, 2010 | 2002 Dodge Stratus

1 Answer

Check Engine Light on Yr2001 Ford Escape V-6 2wd. Code says: Misfire on cylinder #5. Dealer said compression is low in cylinder #5. This Escape needs to pass smog. What can we do?


If the engine has a P0305 DTC (Data Trouble Code) for a "cylinder 5 mis-fire detected", then the first thing to do is to do a compression test to determine if the mis-fire is actually being caused by a mechanical problem, or an electronic problem.

If the engine really does have low compression on the #5 cylinder then that is caused by a mechanical mis-fire and nothing electronic will repair it, and the most common causes for a mechanical mis-fire would be a burnt or bent intake or exhaust valve, a warped cylinder head or damaged head gasket, or a damaged piston. You can call around and find a repair shop that will do a "compression leak down test" if you want to know exactly what is causing the compression leak without any dis-assembly to the engine.

May 25, 2010 | 2004 Ford Freestar

1 Answer

Miss firing all spark plugs and wires have been replaced.


i would check the order the leads go from the distributor to the spark plugs as 1 or 2 of these might be incorrectly placed on the wrong spark plugs causing the mis-firing.

Apr 23, 2010 | 1998 Chrysler Town & Country

2 Answers

Code p0300 replaced coil spark plugs and coil cover 2000 2.4 cavalier rpm up and down while ideling


The code is a mis-fire code. This code does not tell you which cylinder is mis-firing.
Here is a list of other items to check :

- O2 sensor
- Catalytic converter
- EGR valve
- Cam sensor
- Bad computer

Please let me know what you find.

Feb 07, 2010 | 1996 Chevrolet Cavalier

1 Answer

Miss Firing


You might have a small leak in your vacuum system, check all of the hoses and plugged vacuum connections. Check your plugs and wires, distributor cap and rotor. Sometimes a crack in the distributor cap will cause carbon to build up. Since carbon is an electrical conductor it might be jumping from one cylinder to another that is not in line with the firing order.

Jul 10, 2009 | 1998 Jeep Grand Cherokee

1 Answer

Check engine light flashing


if the check engine light flashes than the pcm has detected a mis-fire with enough severity to cause catalyst damage.

you should have the vehicle scanned to fnd out which cylinder is mis-firing,

most likely cause is faulty spark plugs or spark plug wires.

good luck

wesleyschacht@hotmail.com

Jun 14, 2009 | 1998 Dodge Intrepid

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