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What do a misfire mean

My engine light is on and my car is not getting power

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Hello
Misfire means:
1. To fail to ignite when expected. Used of an internal combustion engine.
2.. To fail to discharge. Used of firearm.
3. To fail to achieve an anticipated result; a scheme that misfired.

Posted on Feb 07, 2012

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Posted on Jan 02, 2017

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I have an 05 Suzuki Forenza that has a flashing check engine light. This started on Tuesday. Had the codes looked up. Car is driving shaky and dash lights are blinking. Any ideas?


fix the anti freeze leak --before you blow a head gasket

what your codes mean

Check Engine Light On, P0300 Random Misfire Code. A random misfire means your engine is misfiring, but that the problem is not isolated to one or two cylinders. It is jumping around in a random way from one cylinder to another. A random misfire code usually means the air/fuel mixture is running lean.

What the P0700 code means. P0700 is set when the PCM detects a malfunction in the transmission control system. This malfunction causes the vehicle to set a Check Engine Light and trigger a failsafe mode. Once the failsafe mode is set it will remain until the fault is repaired or normal operation is detected.

PO133 Oxygen Sensor Circuit Slow Response (Bank1, Sensor1)

Nov 25, 2016 | Suzuki Cars & Trucks

1 Answer

Diognosis light pattern 316 keeps putting my 2004 fvz1400 isuzu into limp mode. i can not find a reference for this code


light pattern, is that a light bulb? or means weak engine power
or harsh misfiring?
it has misfire, 2004
7.8L diesel.? the 9L
or TDI , ?\
what code? ahhh , i get it light pattern is the engine ECU flash codes. yes, and is only in a ISUZU book , in your country
no country stated so really nobody can look for you.
worlds is huge, and these trucks are not same world wide.
"smog laws' big time ....
6HK1 (engine"?)

go to isuzu dealer get book on this EFI diesel system
and its all there, codes and all. (reasons for them all)\



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Oct 31, 2016 | Isuzu Cars & Trucks

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How do I fix, bad idle in suzuki swift , check light on, no codes.


the title is contradiction
" check light on, no codes."<< totally wrong
scan it one more time with a REAL scan tool this time. (there are DTC errors , or codes as you said)

what does bad idle mean? misfiring, or idle speed too low
or too high? RPM, or
surging?

say what that means please.
and more important is engine hot or cold ? failing.???? or both????
there are over 50 causes.
but can be broken down to simple physics and gauges.
1: engine bad, lost compression.
2: engine cant breath, dirty air cleaner
3: ISC stuck closed or open or just stuck. (bad idle air supply)
4: bad spark, 1 or all 4 (never had a tune in this decade.
5: cam drive, slipped (belt) causing #1 failure.
6: air fuel mix too lean, and causes rpm drop and ISC fails.
7: air fuel mix too rich and misfires.
8: egr stuck open, it misfires and ISC gives up.
9: cat clogged, engine cant breath #2 like.
10: and the vast other reasons for misfire.

we cant drive it, see it or hear it misfire, so.....????

there is a test for all 10, ask. or get car serviced.

Jul 29, 2015 | 2010 Suzuki Swift 1.6

1 Answer

What is order of troubleshoot for cylinder misfire P305?


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
- Insufficient cylinder 5 compression
- Incorrect fuel pressure
- Intake air leak
What does this mean? What does this mean?
Tech notes
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"
What does this mean? What does this mean?
When is the code detected?
Engine Cylinder 5 is Misfiring.
Possible symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
- Lack/loss of power
- Hard start
- Engine hesitation
P0305 Jaguar Description

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.

Read more:
P0305 Jaguar Cylinder 5 Misfire Detected

May 06, 2015 | 2007 Jaguar X-Type 3.0 Sedan

2 Answers

P1763 and p0303 codes for my 02 jeep grand cherokee. car is super sluggish and shakes when gets to 50mph.


no engine stated.??????????
303 is gross misfire on #3 cylinder. on all cars.
its a for sure thing, means bad combustion on #3 and its power is weak. 1763 is tranny The 7 means that. and is problem2.

ever get a 60k miles tunup this decade?
sparks plugs, spark wires, filters, air and fuel>?
spark plugs dont last life of any engine.
THE CEL blinking (oper guide tells) means that misfire
is burning the CAT converter to a crisp. (raw fuel + air does that)
the opr. guide says get it serviced, fast, dont drive fast or tow anything. all great advice in the glove box.

get a cheap tuneup, and magic can happen in most cases.
misfire has many causes. over 20.
but a tuneup not done, is 99% cause. (due to nobody doing them)
only fate , determines truth, not statistics....
for example you sucked a valve on #3..

if the new spark parts dont fix #3 a compression tests is next.
or an injector balance test say from #3 to one other injector.
all this is like 1hr work, but no engine stated, so.....

Apr 24, 2015 | 2002 Jeep Grand Cherokee

1 Answer

Ymy battery light came on and everything on dash


shaking?
that means the engine stalled.
when the engine stalls. (do a tune up)
as the engine misfires, grossly , the 4 cyl . engine will shake.
and then it stalls
and many cluster lamps glow, CEL lamp. and charge glow.
you failed to look at engine RPM its wrong.
the normal hot RPM is about 800RPm for most cars.
and the engine EFI brain regulates there.
if the ECU brain can not regulate RPM at 800 that means you have gross misfiring, (lots of causes)
#1 cause, not doing tune ups, (aka, the 60k service points)

Oct 30, 2013 | 2003 Honda Civic

1 Answer

2005 Pontiac Sunfire misfiring, check engine light flashing, no power upon acceleration


To clarify what you said, the code is probably for a cylinder miss but the problem may not be ignition as you have found out.
The code means the computer has seen a drop in RPM for one or more cylinders, but not why.
In addition to the ignition system, it could be a fuel injector or compression problem.

Jan 26, 2013 | 2005 Pontiac Sunfire

1 Answer

My check engine light started blinking andthe vehicle is shaking


a blinking ck engine light means you have a catalyst damaging misfire. the misfire is also the cause of the shaking and probably low power condition. you need to have the vehicle scanned asap and try to figure out which cylinder or cylinders are misfiring by the code read by the scanner. if you have a po300 code it means you have a random cylinder misfire. if you have a po301 through a po306 then go to the cylinder 1-6 designated by the last # in the code to figure the cause from there. look for a burnt plug wire, remove the proper sparkplug and ck it. also remember to change the engine oil as there is unburned fuel getting into it every minute this condition exists that the engine is running. good luck to you.

Sep 23, 2010 | 2001 Chevrolet Blazer

1 Answer

Engine light blinks car looses power


Blinking engine light usually means engine misfire. You need to get the code from PCM so you will know which cylinder it is or any other problems it may have. Hope this helps,have a good one!

Jul 11, 2009 | 1999 Ford Escort

1 Answer

1995 Toyota Previa Engine Sputter after prolonged drives


95 toyota may have an early obd2 diagnostics,which started for all cars in 96,which means it can track a cylinder misfire,when ck light flashes it can mean multiple misfire detected causing serious loss of power,you can try going to autozone they do free ck engine light code reading ,tell them you may have obd2 plug according to web,let me know codes if you get lucky.with AZ its hit or miss

May 06, 2009 | 1995 Toyota Previa

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