Question about 2004 Kia Sorento

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2004 KiA SORRENTO engine light on - misfire #5 cylinder

Could be a number of things but it is most likely the fuel injector or the computer? Any know problems?

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  • caninetraine Dec 17, 2008

    Same thing with my car it's being diagnosed still after a day at the repair shop. They tell me it could be the computer which could cost 2k. I've repeatedly replaced headlight/tail lights and also the transmission/motor for the windshield wipers. I have 65k miles on the car. Now this. The interior lights go on and off when the door is open and there was also a brake clamp issue making rattling noises when I first started to drive it. I'll don't think I'll ever buy another kia if this continues.

  • xspring Dec 23, 2008

    engine light on...after replacing plugs, coil packs, everything suggested. The error message is misfire on #1 and #4 cylinder. When driving above 40 mph car will just lose power and then when you give it gas rpms go up but cannot obtain speed. Letting off gas and trying again sometimes help but this is very dangerous when traveling on the highway.

  • Anonymous Mar 13, 2014

    My 06 Kia Sorrento dies after 5 minutes is it the fuel pump

  • Anonymous Mar 21, 2014

    kia sorrento

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If it is a misfire, then that means it is probably the plug or the wire, change those first, if not then yes check the injector.

Posted on Nov 26, 2008

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My 2004 Sorento 3.5 had the same problem, dead #5 cylinder. Replaced plugs, coil pack, wires, computer $$$ and still dead and would hardly pull itself. Would backfire some when trying to drive and no power. would only give a code for dead #5 cylinder. Two very good shops and one very bad dealership and hundreds of dollars later, still nothing. I took the car home and took the front of the engine off and found the timing belt tensioner was stuck and over time had allowed enough slack in the timing belt to slip one "cog" on the crankshaft. This could not be found with the codes and was only found by taking it down to the belt and checking the cams and crankshaft timing. Not a job for the faint of heart. Lots of work on this type of job. Hydraulic tensioner had just stuck and wouldn't keep the timing belt tight enough. The tensioner looked good on the outside (no leaks) but when put in my vise to reset, we found it would not return to the extended position. This is not common but I have found several people with this type of symptom with little or no solution found on-line. The dealer said the cylinder was dead and the engine would have to be rebuilt to the tune of almost $3000. NOT!!! If all tests have not found a cause, you may wish to invest in a new timing belt tensioner, timing belt and water pump.

Posted on Mar 01, 2015

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I had the same problem...the problem was to the becks of injector.....also clean and the fuel tank

Posted on Jan 14, 2009

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2004 Ford Escape engine missfire


that sounds like those cylinders injectors might be the problem . When an injector over fuels or fails to supply fuel it would create a misfire just like if a plug or coil failed

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My 2004 trailblazer is still missing on #2 & #5 after changing all plugs and new cpil packs. Is it the cylinders, head or bad wires and or connectors?


might be worth doing a compression test on all the cylinders to see if those two cylinders are close to the other 4. If there is significant difference in compression than I would say your on the right track with pulling the head to take a look.

If compression is fine than it could be injectors. you can try swapping the number 2 and 5 injectors with other cylinders to see if the misfire follows the injector. If it does replace the injectors.

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05 kia Sorrento #5 misfired already replace spark plug coil & injector same code still comes up #5 misfired can someone help me with this problem


you replaced the plug and injector but there is no mention of the HT lead or distributor cap being replaced or checked
It is possible that there is a crack or carbon track inside the cap which is also misfire for that cylinder. HT leads are carbon filled tracks with a wire insert at each end and if that wire fails to make contact with the carbon ( incorrect method of pulling from plug or cap) then the resistance in that lead makes the spark late which results in a misfire report.

Jul 26, 2015 | Kia Cars & Trucks

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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

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1 Answer

Running rich


Hi Justin
you seems that you have a good idea about engines and injection systems, lets say that the computer see's rich exhaust and pulls back fuel mixture. creating misfire. why the engine is misfiring on one cylinder only??
my advice to you
1 search for a vacuum leak corresponding to the misfiring cylinder, like a manifold gasket or injector seal.
2, do a compression test for all cylinders, probably you have a burnet valve.
Good luck and let me know how it goes.

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1 Answer

Random multiple misfire P0300, P0302, P0304 on 2006 Kia Rio


A competent mechanic will check all probable causes associated with these DTC codes.
Code P0300: Random-Multiple misfire detected. Probable causes:
1. Vacuum leaks, damaged hoses, or improper routing
2. Fuel contamination
3. Ignition system - Ignition module, coil, spark plugs and wires
4. Fuel system
Code P0302: Cylinder 2 misfire detected. Probable causes:
1. Control unit software in need of updating
2. Faulty PCM or ECM
3. Faulty fuel injector
4. Ignition system
5. Fuel system
Code 0304: Cylinder 4 misfire detected. Probable causes:
1. Control unit software in need of updating
2. Faulty PCM or ECM
3. Faulty fuel injector
4. Ignition system
5. Fuel system

Be sure the invoice enumerates all of these probable causes as having been checked. Also, some of the replacement parts installed earlier may be faulty.

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1 Answer

My 2003 Kia Sorento 6 cyl. 3.5L wont start, check engine light camae on a month ago has been using a ton of fuel and my friend ran the code and it came up misfire on cylinder 5. Due to budget contraints as...


cylinder 5 is on the passenger side and is the one closest to the firewall. you will need 10mm, 12mm, 14mm wrenches and sockets. the plug wire for cylinder 5 runs all the way to the other side of the engine to a coil that sits on top of an even numbered cylinder(not sure which one off the top of my head). how much fuel? do you know the long term fuel trim value? i have seen leaking injectors just not very often.

Feb 04, 2011 | Kia Sorento Cars & Trucks

2 Answers

2002 ford escape 3.0L DTC P0305and P0306 what would you ck


P0305 - Cylinder 5 Misfire Detected
P0306 - Cylinder 6 Misfire Detected

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 Powertrain Control Module (PCM) or Electronic Control Module (ECM) can determine that a misfire is occurring.

When is the code detected?
- Engine Cylinder #5 and #6 is Misfiring.

Symptoms:
- Engine Light ON (or Service Engine Soon Warning Light)
- Lack/loss of power
- Hard start
- Engine hesitation

Possible Causes:
- Improper spark plug at cylinder #5 and #6
- Insufficient compression at cylinder #5 and #6
- Incorrect fuel pressure
- The injector circuit is open or shorted at cylinder #5 and #6
- Fuel injector #5 and #6 may be faulty
- Intake air leak at cyli

Possible Solution:
- Perform Injector Service
- Replaced Spark Plug #5 and #6
- Replaced Injector #5 and #6
- Replaced Ignition Coil #5 and #6

Hope helps.

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Skippng and misfire on cylinder # 4. How do you know if it is a fuel injector or a coilpac? Is there a way to test either or both? Since the each coilpac is for a dual cylinder should you get a dual...


Fuel injector should 'click' when working, and a fuel injector tester can light when a signal comes from the computer.

Coilpack for dual cylinder can be switched around to see if the misfire follows the coilpack in question when codes are cleared and it is rescanned.


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1 Answer

Engine runs fine when started, put it in reverse and it starts to


probably neither. You should do a compression check, and check your transmission fluid for dicoloration and metal shavings.

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