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97 K1500 cylinder 3 misfire code.

Have reset code still getting code. Have replaced plugs, wires, cap, rotor. engine was removed and rebuilt, not by me. exhaust has been cut to install headers that havent been connected to exhaust yet. any ideas im lost.

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  • Cars & Trucks Master
  • 2,620 Answers

Sounds like you may have a bad injector on cylinder number 3.After letting it run for a minute or 2 then pull number 3 plug and see if its dry.If its dry then that injector is stopped up.

Posted on Nov 02, 2012

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Posted on Jan 02, 2017

  • 422 Answers

SOURCE: 1998 chevrolet k1500 pickup 305 a misfire in # 2 cylinder

hi there, if you can feel the misfire at an idle but not at a higher rpm than the fuel pressure regulator is bad im working on one right now that has mifire code and random misfire codes coming up

Posted on Aug 28, 2008

linhnguyennn
  • 1 Answer

SOURCE: 97 isuzu hombre cylinder 2 misfire

1998 isuzu rodeo wont start no spark,no injector pulse

Posted on Jan 24, 2009

  • 3 Answers

SOURCE: 99 5.2 durango :pulled codes for multipe missfire cylinder #5-7

Aloha We have just replaced all of what you have replaced, plus water pump, fuel pump, pcv valve and 02 sensor. Took it to mechanic today we had misfire on 1,2,6,7. Mechanic said that the 99 dodge is known for bad computers, he checked ours and works great turns out that it was the coil. Ours was jumping 1/4 inch and had a orange/yellow spark. it is supposed to have a 1 inch spark and be blue. This has solved our problems after 527 dollars later.
Check the coil!

Posted on Feb 26, 2009

  • 106 Answers

SOURCE: Cylinder # 4 misfire 1998 GMC K1500 5.7

may have a bad valve or piston!!

Posted on Mar 29, 2009

tragedy lok
  • 266 Answers

SOURCE: misfire of the #3 cylinder, 4.3 6 cyl

R THEY WIRED CORRECTLY,WITH THE SAME GAP??

Posted on Aug 18, 2009

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3 Answers

Cylinder misfire p0300


START THE ENGINE AND LIFT THE IGNITION WIRE LISTEN FOR SPARKS.IF ONE OR MORE CYLINDERS DON'T CHANGE THE WAY IS RUNNING ,YOU GOT THE BAD CYLINDER. LOOK FOR BURN MARKS ON THE WIRE(BLUE/WHITE SPOT)IF SO REPLACE THE WIRE.SOME TIMES VALVE COVER LEAKING IN THE TUBE. REPLACE VALVE COVER GASKET,BLOW THE OIL OUT BEFORE REMOVE THE SPARK PLUGS.REMOVE THE SPARK PLUGS AND INSPECT THE ELECTRODE.GOOD ELECTRODE WILL BE WITH SHARP EDGE ,IF ROUND OR LIKE CONE REPLACE WITH DENSO OR NGK ORIGINAL EQUIPMENT . REMOVE THE DISTRIBUTOR CAP AND LOOK FOR OIL IN THE CAP. IF OIL INSIDE REPLACE DISTRIBUTOR. IF NO OIL INSPECT THE CAP AND ROTOR FOR THICK WHITE DEPOSIT OR ROTOR FOR BLACK BURN MARKS. REPLACE CAP AND ROTOR.IF EL.SYSTEM IS OK SPRAY CARB CLEANER ON INTAKE MANIFOLD AND LISTEN FOR RPM CHANGE.IF CHANGE THE RPM REPLACE MANIFOLD GASKET.

Mar 29, 2014 | 1998 Acura Integra Type R

1 Answer

I have a 98 honda accord 5 spd it has a 4cyl motor vtech i just need to know how to fix a miss fire in cylinder 2 and wich one is cylinder 2


Cylinder #2 is the the second spark plug counting from the right to left.
EX.Below are spark plug on engine
engine
-------------------------------
' (oil cap) '
' (4) (3) (2) (1) '
'_________________'

Your misfire can be cause by couple of things but the cheapest way that you can try to fix your car is to do a tune up by replacing:
1)all spark plugs
2)do a oil change
3)spark plug wires
3)distributor cap and rotor

note misfire can be cause by:
1.bad gas
2.spark plug and/or wire
3.distributor cap and/or rotor
4.valve adjustment
5.injector
6.off timing
7.ECM
8.bad wiring(power, ground or feed line)

Jul 08, 2011 | 1998 Honda Accord

1 Answer

1996 gmc k1500 is misfiring what causes that


Hi,
The following resons given below might be responsible for the misfiring in your sierra K1500;
1.Faulty spark plugs or wires
2.Faulty coil (pack)
3.Faulty oxygen sensor(s)
4.Faulty fuel injector
5.Burned exhaust valve
6.Faulty catalytic converter(s)
7.Stuck/blocked EGR valve / passages

Here is a possible solution to the problem;
If there are no symptoms, the simplest thing to do is to reset the code and see if it comes back.


If there are symptoms such as the engine is stumbling or hesitating, check all wiring and connectors that lead to the cylinders (i.e. spark plugs). Depending on how long the ignition components have been in the car, it may be a good idea to replace them as part of your regular maintenance schedule.

I would suggest spark plugs, spark plug wires, distributor cap, and rotor (if applicable). Otherwise, check the coils (a.k.a. coil packs). In some cases, the catalytic converter has gone bad. If you smell rotten eggs in the exhaust, your cat converter needs to be replaced. I've also heard in other cases the problems were faulty fuel injectors.


Random misfires that jump around from one cylinder to another (read: P030x codes) also will set a P0300 code. The underlying cause is often a lean fuel condition, which may be due to a vacuum leak in the intake manifold or unmetered air getting past the airflow sensor, or an EGR valve that is stuck open.


Good luck

Aug 02, 2010 | 1993 GMC Sierra K1500

1 Answer

Misfire in 97 voyager,P0300 and P0304,HELP! Need 2 get inspection


I'd have fuel pressure checked, and at the very least, replace fuel filter. Not unusual to get multiple misfire codes due to low fuel pressure, thus starving cylinder(s), and causing the misfire code(s).

Apr 23, 2010 | 1997 Plymouth Grand Voyager

2 Answers

Just replaced engine in my 97 its a vortec brought it to tdc put in distributar it turns over and tries to start but wont i turn it just a little it acts better but i cant move it far enough


take the spark plug out of the #1 cylinder and turn the engine by hand until the piston is at the top dead center of its stroke (put a screw driver in the hole and you should be able to tell when its all the way up). now pull the cap off the distributer the rotor should be pointing at the #1 cylinder wire. if not then the distributer is in the wrong possition. remove the distributer and point the rotor in the correct possition(#1 cylinder) and place the distributer back in.also if this is a used engine replace the cap,rotor plugs and wires.the truck should start. Hope this helps you out.

Mar 14, 2010 | 2002 GMC Sierra C/K1500

1 Answer

1997 k1500 5.7l po303 misfire on cylider 3 ...


could be fuel injectors flooding cilinder fuelregulator not working right there is new up gradeinjector system

Feb 10, 2010 | 1997 Chevrolet K1500

3 Answers

1997 ford f150 cyliner 7 misfire


sme problem had to have it put on computer and codes reset

Feb 05, 2009 | 1998 Ford F150 Regular Cab

2 Answers

1998 chevrolet k1500 pickup 305 a misfire in # 2 cylinder


hi there, if you can feel the misfire at an idle but not at a higher rpm than the fuel pressure regulator is bad im working on one right now that has mifire code and random misfire codes coming up

Aug 28, 2008 | 1998 Chevrolet K1500

2 Answers

#4 cyl misfires/code 304


P-0304 indicates number 4 cylinder misfire. Are you using Toyota parts dept spark plugs? More often than not, non-toyota plugs make the v-6s run poor, right out of the box....
Try this:With the engine running, pull the connector wire off of the #4 injector. Note to see if there is any change with the idle quality. No change? You may have a bad injector.

Aug 12, 2008 | 1997 Toyota Tacoma

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