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Codes p1698, PO300, and PO306 came up - Cars & Trucks

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

  • 299 Answers

SOURCE: the durango 1999 is giving a PO300 and PO305 &

The vehicle can misfire for many different reasons. Your first step should be to check to make sure the spark is getting to the spark plugs. Next make sure those cylinders are getting fuel. If all those check out then you will need to check for compression loss. All of these procedures and more can be found at www.autozone.com

Posted on Oct 28, 2009

  • 1608 Answers

SOURCE: i have 1999 318 4x4 dakota with fault coads

These are misfire codes.This means that your vehicle is missing.The 300 is a random misfire and the 305 is for cylinder 5,and the 306 is for cylinder number 6.Check the plugs if they are good then you could have bad coils.They are top of the plugs.Hope this helps.Good luck.

Posted on Feb 25, 2010

ZX2Fast
  • 547 Answers

SOURCE: trouble codes for saturn ls2

P0300 Multiple Cylinder Misfire Detected

P0306 Cylinder 6 Misfire Detected

P0451 EVAP Pressure Sensor Range/Performance

I have no idea what those last two are. Typo, maybe?

Your first two codes could be caused by old spark plugs and/or leaking plug wires.

Your EVAP code could be a bad fuel tank pressure sensor or a malfunctioning EVAP system. With that code, if you remove your fuel cap and get a whoosing sound, then it is an issue with your EVAP system not properly venting the tank. If you don't get that sound, then the tank pressure sensor is bad.

Posted on Mar 05, 2010

  • 462 Answers

SOURCE: 12 TROUBLE CODES ON MY CAR AFTER I REPAIR INATKE

Sounds like you still have air leak.

Posted on May 10, 2010

awcforever
  • 359 Answers

SOURCE: trouble codes PO300, PO302, PO304,PO306,PO308

If you get
P0300
P0301
P0302
P0303
P0304
P0305
P0306
P0307
P0308

error codes and
you have an engine that misfires or runs rough, it can be the injector for that
cylinder or the coil pack. The P0300 code is a random misfire code and may or
may not be the above. All the other messages are for misfire of a particular
cylinder indicated by the last digit.

Test the coil pack by switching it to another spark plug and
see if the problem follows to that cylinder.

If that makes no difference, it is very likely the injector.
Disconnect the injector connector of the same cylinder and measure the
resistance. It should be 13.5 to 14.2 ohms at 70 degrees temp. It can be up to
16 ohms if the engine is hot. If you see a really high resistance or an open or
short then you can try to change the injector. If not, you can remove the fuel
rail on that side and switch the injector to another cylinder and see if the
problem follows to that cylinder.

You
need a 22mm wrench to remove the fuel pressure regulator. The other connections
are std. When all screws are removed, GENTLY wiggle the rail up and guide it
smoothly out. Don't put any sideward stress on the injector bodies.

Here is how to identify cylinders

Front of vehicle ^

1........2
3........4
5........6
7........8

All of the
injector connectors have a Black with red stripe wire. The corresponding other
wire color on the injector connector that matches with above are

red.........................white
green......................Red/black stripe
blue........................yellow
blue/red
stripe..........Red/white stripe

Posted on Mar 08, 2011

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1 Answer

I have check engine code P1354 variable valve timing system bank 2 for my 2000 Lexus RX300. Where is this located?


YES, you have to investigate what is throwing your valve timing off. That could be anything from a vacuum leak to clogged injectors, bad plugs, sensor ect. Have the car analyzed to find the cause. There can be many causes. Good luck

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2003 acura tl error codes po301 po302 po304 po306 p1399 po300


PO300 and P1399 are random cylinder misfire detected.
PO301 cylinder 1 misfire
PO302 cylinder 2 misfire
PO304 cylinder 4 misfire
PO306 cylinder 6 misfire
I would say that you have damage to the ignition wiring harness or you ECM is failing.

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Multiple engine codes PO300, PO303, PO306. what is going bad on this 2005 kia sorento?


I've had similar issues. The fix I used was to take my vehicle to AAMCO and let them run a diagnostic check. Most often it will be at little or no cost and, if you don't want to mess with the fix anymore, they can fix it onsite.

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2000 Lexus GS300 I have codes po300 po302, po303, po304, po305, po306,po171


We can't help you here

You need the car diagnosed

I doubt you have lifters,should have
OHC valve train

Most likely the oil passages are clogged up
in the cams with sludge

That's what happens when the wrong oil
& too long between changes takes place

You ruin the engine

Dec 23, 2012 | Cars & Trucks

2 Answers

I have 1999 318 4x4 dakota with fault coads


These are misfire codes.This means that your vehicle is missing.The 300 is a random misfire and the 305 is for cylinder 5,and the 306 is for cylinder number 6.Check the plugs if they are good then you could have bad coils.They are top of the plugs.Hope this helps.Good luck.

Feb 25, 2010 | 1999 Dodge Dakota

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