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Po0017 multi misfire causing 300-301.300

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I have a 2010 alumina that is say multi misfire does this mean coils are bad. I replaced plugs


Random or multi misfire is frequently caused by incorrect air fuel mixture. Intake leaks, low fuel pressure, maf, can all give same code.

Mar 05, 2017 | Chevrolet Lumina Cars & Trucks

1 Answer

P1190 code 2000 toyota sienna


multi misfires can be from injectors --dirty and not squirting properly or low fuel pressure ---fuel pump or dirty filters
plugs are only half of a misfiring problem and the injectors are always left out
Next time include all details like make, model , year of car in your question to get a better answer

Dec 07, 2015 | Cars & Trucks

1 Answer

I have a 2003 lancer that's putting out po300 misfire code how do find out were its coming from . no turbo


Possible causes
- Faulty spark plug (s)
- Faulty ignition coil (s)
- Clogged or faulty fuel injector (s)
- Intake air leak
- Fuel injectors harness is open or shorted
- Fuel Injectors circuit poor electrical connection
- Ignition coils harness is open or shorted
- Ignition coils circuit poor electrical connection
- Insufficient cylinders compression
- Incorrect fuel pressure
help.jpg What does this mean? Tech notes
The P0300 code means that a cylinder(s) is misfiring or is randomly misfiring. Start by checking for intake leaks, intake gaskets are common caused of multi-cylinder misfiring. If no leak are found the next step is to replace the spark plugs. If the problem persist more tests needs to be done to diagnose problem, see "Possible Causes"

Aug 09, 2014 | Cars & Trucks

1 Answer

1995 GEO=PRIZM,1.8L eng. engine surges under all driving conditions except idle


can be many things. none of which can be solve in this forum.
do a tune up yet?
check engine lamp on, running,? pull DTC codes with scanner.
use a scanner to find it , plug in see of allsensors work right.
see if motor holds closed loop at idle and light flat cruise.
see if LTFT is like -3% not way off.
the 1.8L is a DOHC motor, and has cops, do you get DTC 300,301 to 304 codes? misfire? ever clean an service the cops with new boots?
clean tte MAF sensor in the Throttle body ( from 6" away with a can of, drum-roll,CRC maf cleaner?)
we can walk you turn this here.
join and post. we have 1.8L too, and have lots of docs on it.
good luck
http://www.fixkick.com/bbs2/Suzuki-bbs/forumdisplay.php?fid=2

Apr 12, 2013 | 1995 Geo Prizm

1 Answer

Po300 code multi cyl misfire any sugg


The code you got may not have indicated the correct coil, that was bad

I would put the old coil back in #6 & either walk the new coil to another cylinder, or get professonal help in the form of a scan tool in Mode $06,
if applicable on your vehicle & check for misfires that why

Forget the PO300

Jul 30, 2012 | 2004 Chevrolet TrailBlazer

1 Answer

Random mulitple misfire


A random miss-fire is almost impossible to diagnose.
You are dealing with fuel and ignition so there is a long list of causes.
You may have to wait until it becomes a solid miss on one cylinder.
a mechanic would need to be able to make the problem happen to find it.

Jul 12, 2012 | Mitsubishi Eclipse Cars & Trucks

1 Answer

02 sensor p0136 and cylinder misfire p0300


Most likely you do not have bad O2 sensor or coil sience you have P0300 code.
Check for vacuum leaks first , this is very common problem(vacuum leak) , lean mixture will cause misfire. I'm tallking about V6 engine , 4cyl have same problems but for misfire it may have bad coil (they under recall now).
Also check condition of air mass sensor , if it's dirty ,
buy air flow sensor cleaner and clean it according to user manual on the can.(air mass sensor can cause
O2 sensor code)
Check vacuum hose to fuel pressure regulator.
There are many more things to check , but that for mechanic shops after you try this.

Jun 10, 2010 | 2001 Audi A4

1 Answer

Multi-cylinder misfire read on 1 & 2 cylinders. Heard that coils go out. easy to fix?


yes they do cause misfires, and they are easy to fix should be near or right on the sparg plug boot itself

Feb 21, 2010 | 2000 Lexus RX 300

1 Answer

I keep getting a P0300 diagnostic code on my 1996 chevy corsica what could be the cause for this


its a random misfire if it had a number at end instead of 0 e.i. 1 that would indicate number 1 cylinder misfired/ but 300 with no other codes can be multi reasons check spark plugs and wires--coils--clogged injectors--fuel filter--fuel pump--bag gas(water) partial clog cat converter these are a few but best to start with plugs &wires

Oct 26, 2009 | 1996 Chevrolet Corsica

3 Answers

Need help with diagnostic codes


P0300 Multiple/Random Misfire detected.
P0301 Misfire detected - Cyls. 1-4.
P0302 Misfire detected - Cyls. 1-4.

Jul 25, 2009 | 2006 Kia Rio

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