Question about Mazda 626

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Misfiring 2002 mazda 626 has misfire detected 1st 1000 revs code p0316, & 3cly misfire code p0303 runs good going down road idles rough & at take off.

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  • Mazda Master
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Code p0303 refers to cyl 3 misfire detected ===causes engine mechanical fault--wiring--ignition/fuel system--injector--ECT/MAF sensor--ECM
code p0316 refers to misfire detected during start up --first 1000 revs===causes --engine mechanical fault--wiring--ignition/furl system--injector
the common fault cause is ignition/ fuel system and injectors so I would be checking fuel pressure and injector systems for clean and wiring connections are good especially on no 3 injector.

Posted on Apr 19, 2014

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6ya6ya
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Posted on Jan 02, 2017

Danniboi
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SOURCE: 2002 Taurus runs rough. Used obd-2 with resulting

Hi

I would take a look at the EGR valve and the air intake system, also look for any holes in air pipes or poor seals. Finally I would check the lambda sensor for the gas emmisions.

Hope that helps
Regards
Dan

Posted on Dec 28, 2010

redbeard00
  • 957 Answers

SOURCE: P0301 - Cylinder 1 Misfire Detected on a 1998 s-10 idles rough

Sounds like a bad fuel injector. Shop would need to run a contribution test to confirm. I must say, good detective work, good luck.

Posted on Apr 29, 2009

  • 3 Answers

SOURCE: Mazda 626 six cyl runs ok for 20mins then misfires and runs rough

check the belt timing. could be firing early or late.

Posted on May 01, 2009

  • 1 Answer

SOURCE: p0302 cylinder 2 misfire detected enginge revs

P0302-Cylinder 2 Misfire Detected How do I track down the problem and fix?

Posted on Sep 06, 2011

alillie
  • 1 Answer

SOURCE: 2003 Ford Taurus cylinder misfire #1 and #5 code

Had a similar issue with a 2003 ford taurus. Error codes of p305 misfire on cylinder 5 and first 1000 rotations. It did not smell like eggs. Rough/vibrating idle and lacking power at times.

Replaced spark plugs and wires. On the mine a 2003, I needed to remove the upper intake manifold, i believe it is called. Note not to pull out tubes on bottom when you life. This was to get at the rear spark plugs. 10mm 8mm 7mm and a flat head screw drive is all it took o and about 4 hours, im no mechanic : P I also used a splash of seafoam on the EGR valve and replaced the seal. I was impatient so i didnt soak it like I had read.

Anyways, turns out one of the spark plug wire boots had burnt. Also, 2 were severely corroded. This seems to be the solution, a basic tune up i guess.

Posted on Mar 19, 2012

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2002 explorer cylinder 123 misfire


So am I to assume that this is a 3.0L V6 vehicle? Does the engine run OK or does it exhibit a rough idle and poor performance? When you say 123 misfire.. do you mean it had codes P0301, P0302,& P0303 in the pcm codes? If these codes are still there and the engine is running poorly, then you still have a misfire on these cylinders.. it may have not been ignition related. Fuel problems and compression problems can also contribute to a misfire. You may need to take vehicle to a reputable shop and have it diagnosed by them.

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How to fix 2002 pt cruiser rough idling


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Hello my mustang is sputtering badly, idles at between 900 and 1000 rpm. has a bad exhaust smell and acts like it wants to stall alot. the oem codes it gave were po303 and po316. what does this mean and...


303= cylinder #3 misfire the 316 is just another code for misfire detected during start up:
I would say buy a new plugs and wires, this will correct the problem, Tim

  • Faulty spark plug or wire
  • Faulty coil (pack)
  • Faulty oxygen sensor(s)
  • Faulty fuel injector
  • Burned exhaust valve
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Codes:p1346/p1349/p1354/p0446/p0300/p0301/p0303/p0305/p0307/ p0430/car runs rough when idling/lexus gs 400 1998


P0301 Cylinder No. 1 Misfire Detected
P0302 Cylinder No. 2 Misfire Detected
P0303 Cylinder No. 3 Misfire Detected
P0304 Cylinder No. 4 Misfire Detected
P0305 Cylinder No. 5 Misfire Detected
P0306 Cylinder No. 6 Misfire Detected
P1346 Variable Valve Timing (VVT) Circuit Range/Performance Fault
P1349 Variable Valve Timing (VVT) System Malfunction
P0330 Knock Sensor
P0446 EVAP Vent Control Fault
P0430 Catalyst System

Stop driving immediately.....

You defiantly skipped on your timing........

Feb 14, 2011 | 1998 Lexus Gs 400

3 Answers

CODES-PO301-PO303-PO316- CHANGED PLUGS & WIRES. STILL MISS ON START UP, GOES AWAY MOST OF THE TIME ABOVE 1000 R.P.M


P0301 - Cylinder 1 Misfire Detected.

Causes:
- Improper spark plug at cylinder #1
- Insufficient compression at cylinder #1
- Incorrect fuel pressure
- The injector circuit is open or shorted at cylinder #1
- Fuel injector #1 may be faulty
- Intake air leak

Solutions:
- Perform Injector Service
- Replaced Spark Plug #1
- Replaced Injector #1
- Replaced Ignition Coil #1

P0303 - Cylinder 3 Misfire Detected.
Follow info from P0301.

P0316 - Misfire Occurred In The First 1,000 Engine Revolutions.

Causes:
- Damaged CKP sensor.
- Ignition System.
- Fuel Injectors
- Running out of fuel
- Fuel Quality
- Base engine
- Damaged Powertrain Control Module

Solutions:
Usually the P0316 is combine with a P03XX codes. The P03XX code indicates in which cylinder the misfire occurred.

Jan 17, 2011 | 2002 Mercury Sable

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P0303 and P1300 together (Cyl. 3 Misfire)


CODE P1300 IS MISFIRE DETECTED FUEL PROBLEM. WHICH MEAN 3 FUEL INJECTOR IS CLOGGED UP.HAVE FUEL INJECTORS CLEAN AND CHANGE FUEL FILTER.

Jul 24, 2010 | 1999 Audi A4

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Mazda 626 six cyl runs ok for 20mins then misfires and runs rough


check the belt timing. could be firing early or late.

Apr 30, 2009 | 1995 Mazda 626

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P0301 - Cylinder 1 Misfire Detected on a 1998 s-10 idles rough


Sounds like a bad fuel injector. Shop would need to run a contribution test to confirm. I must say, good detective work, good luck.

Apr 10, 2009 | 2004 Jeep Wrangler

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Falla mi pick up y da codigo po316


P0300 - Engine Misfire Detected
P0301 - Cylinder 1 Misfire Detected
P0303 - Cylinder 3 Misfire Detected
P0316-Misfire detected on startup (First 1000 revolution)
You may have a coil problem or plug wires and or plugs

Sep 29, 2008 | 2004 Mazda Truck

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