Question about Subaru Outback

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I was getting a 606 error and now a 303 error came up also.

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  • Subaru Master
  • 6,826 Answers

I need to know the year, make, and model for your Subaru Outback.

I'll guess a year and then base the response on a 2000 Subaru Outback

P0606 ECM/PCM Processor
P0303 Cylinder 3 Misfire Detected

This points to a possible ECM processor causing a misfire on cylinder 3, but there are no guarantees that changing the ecm will solve this problem.

Posted on Jul 14, 2010

Testimonial: "Excellent information. Thanks :)"

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606 autolite spark plugs which vehicle uses them


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How do you remove the crankshaft dumper pully?


Published: 11-May-2011
Engine - V8 4.4L Petrol - Crankshaft Pulley
In-vehicle Repair
Special Tool(s)

Holding Tool Crankshaft Pulley
303-893(LRT-12-080)
Adapter
303-191-03
Bolts and spacers
303-191-04
Remover, crankshaft pulley
303-588
Remover, crankshaft seal
303-D121
Installer, crankshaft seal
303-1100
Adapter - Crankshaft seal installer
303-1100-01 Removal
  1. Disconnect the battery ground cable.
    For additional information, refer to: Specifications (414-00 Battery and Charging System - General Information, Specifications).
  1. WARNING: Do not work on or under a vehicle supported only by a jack. Always support the vehicle on safety stands. Raise and support the vehicle.
  1. Remove the accessory drive belt.
    For additional information, refer to: Accessory Drive Belt (303-05B Accessory Drive - V8 4.4L Petrol, Removal and Installation).

  1. Remove the cooling fan shroud.
    • Release 2 clips from the cooling fan lower shroud.
    • Release and remove the cooling fan lower shroud from the cooling pack.

  1. Using the special tools, retain the crankshaft pulley.
  1. CAUTION: Under no circumstances should the crankshaft setting peg, 303-645, be used in the following operations, to restrain the crankshaft. NOTE: The crankshaft pulley retaining bolt will be very tight.
    Remove the crankshaft pulley retaining bolt.
    • Discard the bolt.
  1. Remove the special tools.

  1. Using the special tools, remove the crankshaft pulley.
    • Collect the locking ring.
  1. Remove the special tools from the crankshaft pulley.

  1. Using the special tool, remove the crankshaft front seal.
    • Remove the outer section of the seal.
    • Repeat the process to remove the inner section of seal.
  1. Check the crankshaft damper pulley and locking ring for damage.
Installation
  1. Clean all the crankshaft pulley mating faces.

  1. Using the special tools, install the crankshaft front seal.
    • Lubricate the seal with clean engine oil.
    • Use the discarded crankshaft bolt with the service tool.
  1. Install the crankshaft pulley.
    • Lubricate the seal with clean engine oil.
  1. Install the crankshaft pulley locking ring.
  1. CAUTION: The screw thread in the crankshaft pulley must be cleaned out before installing a new crankshaft pulley bolt. Install, but do not tighten, the new crankshaft pulley bolt.
  1. CAUTION: Under no circumstances should the crankshaft setting peg, 303-645, be used in the following operations, to restrain the crankshaft. Using the special tools, retain the crankshaft pulley.
    • Tighten the crankshaft pulley bolt to 380 Nm (280 lb.ft).
  1. Remove the special tools.
  1. Install the cooling fan lower shroud.
  1. Install the accessory drive belt.
    For additional information, refer to: Accessory Drive Belt (303-05B Accessory Drive - V8 4.4L Petrol, Removal and Installation).
  1. Connect the battery ground cable.
    For additional information, refer to: Specifications (414-00 Battery and Charging System - General Information, Specifications).

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1 Answer

What do error codes PO308 and PO606 mean


You did not give the make model and year, so I will give the generic descriptions.
Code 308 means cylinder 8 is not producing power, and 606 means there is or was a problem with the engine computer.

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How do I get my computer reprogramming for my car a grand prix2006 what does this code MEAN/601 606


Internal memory fault and failure. Every time i have gotten a 606 code, I had to replace the computer. I have replaced about every part in the PCM, except the chips. To many leads coming from a small chip.

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1 Answer

Why error code P0303 changed plugs switched coils and injectors?


double anon posted, and double answered again.....
303 means , weak combustion on #3.

that means all factors effecting combustion. are at issue.
not just spark.
compression at spec. ever hear of a 20buck compressing gauge>?
no intake air leaks near #3
bad wiring to #3 injector.
or bad luck the other coil is bad.
or bad luck the other injector was bad too.
clogged injectors.

lets say, all injector screens (10 mircon) are partially clogged.
and $3 had margional compression.
so swapping injectors old , is a false move. proves nothing.
we call these junk yard swaps. you can get lucky but in truth
proves little.

Are there other DTCs
are the pending DTCS
at 303 , what is the freeze frame data.
what is LTFT?? (long term fuel trim) +40% (lean max.)
what is closed loop status at the fail. closed or open?

Sep 06, 2014 | 2005 Jeep Grand Cherokee

1 Answer

Ramdom misfire 4.2 Chevrolet trailblazer


Code 303 is for a miss on cylinder number 3.
The problem could be ignition, fuel injector, or compression.
The code means the computer saw a drop in RPM for that cylinder.

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2 Answers

2003 pt cruiser has 3 errors they are 440,441 and 303. please help


440 and 441 relate to the evaporative prurge flow system and 303 is a misfire detectec in cylinder 3.

May 07, 2009 | 2004 Chrysler PT Cruiser

2 Answers

How do i put a coil in a 2001 jaguar s type


303-07A: Engine Ignition — 3.0L (4V) 2001 Lincoln LS Workshop Manual DESCRIPTION AND OPERATION Engine Ignition The electronic ignition (EI) system is a coil-on-plug (COP) ignition system.
---------------------------------------------------------------------------------------
SECTION 303-07B: Engine Ignition — 3.9L 2001 Lincoln LS Workshop Manual
DESCRIPTION AND OPERATION Engine Ignition The electronic ignition (EI) system is a coil-on-plug (COP) ignition system
-----------------------------------------------------------------------------
v-8
SECTION 303-07B: Engine Ignition — 3.9L 2001 Lincoln LS Workshop Manual
REMOVAL AND INSTALLATION Ignition Coil Removal
  1. Remove the air cleaner outlet tube. For additional information, refer to Section 303-12 .
  1. Remove the bolts and the ignition coil cover.
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  1. Disconnect the electrical connector from each ignition coil.
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  1. Remove the ignition coils.
    1. Remove the bolts.
    1. Remove the ignition coils.
------------------------------------------------
v-6

SECTION 303-07A: Engine Ignition — 3.0L (4V) 2001 Lincoln LS Workshop Manual
REMOVAL AND INSTALLATION Ignition Coil Removal
  1. Remove the engine appearance cover.
  1. To access the RH bank ignition coils, remove the upper intake manifold. For additional information, refer to Section 303-01A .
  1. Disconnect the electrical connector from the ignition coils.
  1. Remove the bolts.
  1. Remove the ignition coils.
please rate as fixed if this helps.

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1 Answer

I get an error code 303 cylinder 3 misfire.


Make sure the wires on the coil are fully pressed on. If they are, the coil pack to the number 3 cylinder is bad.

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