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Code po300 comes on when you drive p1133,po171

Code po300 comes/ on when you drive p1133,po171 comes on

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Code P0300 means random cylinder misfiring, have u checked spark plugs and cables

Posted on Jul 24, 2009

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My 2000 has codes po171 po300 po 463 po480 what


P0171 =system too lean (bank 1)
P0300 = multiple misfire
P0463 = fuel level sensor circuit high input
P0480 = cooling fan 1 control circuit

Aug 16, 2013 | 2000 Oldsmobile Silhouette

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Po122 code


yes this is a tipicle sign of a bad temp sensor

Apr 01, 2013 | 1999 Chevrolet Malibu

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2005 cavalier no start po300 ,po130 , po171


It is "0" not the letter "O" after the "P"

Jul 11, 2017 | Chevrolet Cavalier Cars & Trucks

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Im having a p1133 po171 po300 po175 on gmc envoy 5.3L what could be the problem


Intake manifold gasket leaking.Replace the intake manifold gaskets.

Jan 21, 2012 | 2003 GMC Envoy

1 Answer

97 toyota camry 189000 mi check engine lights on 2 codes p0171 and p1133 any common or the most likely source of the problem any advice would be helpful thank you


hi the codes you have given register as the o2 sensor, if the vehicle is running ok then this is what it will be, the other things that the po171 come up with are major faults and the car would run very roughly, and in some cases not at all, the codes are saying you have a short circuit on the wiring for the o2 sensor which normally means the sensor is u/s and needs replacing ...hope this helps

Jan 17, 2011 | 1997 Toyota Camry

1 Answer

1996 olds cutlas supreme, 3.1 L has trouble codes PO171 and PO300. Any Ideas?


The po300 is a misfire code.This means there is probably a plug,plug wire,ignition coil,or ignition module.Check the coil towers one at a time.These are know for corroding.If you find one that is corroded then replace the plug wire also.Po171 is a lean condition code.The po300 could be causing the po171.If you have not had a tune up Now would be a good time.Hope this helps.Good luck.

Jan 06, 2010 | 1996 Oldsmobile Cutlass Supreme Coupe

1 Answer

Fault codes, PO300, PO171 and PO174


The Po300 is a random misfire code where the PCM is picking up the misfires. The other two codes are lean mixture codes. More than likely these are due to bad intake manifold gaskets allowing unmetered air to enter the engine causing the engine to lean out and possibly run a little rough when cold.

Nov 07, 2009 | 1999 Ford Explorer

1 Answer

1996 monte carlo fault codes po300, 441, 705,


THESE ARE FROM THE GM CODE DIFINITION MANUAL, U NEED TO TAKE THIS TO THE DELAER, U HAVE SOME SERIOUS PROBLEMS TO GIVE THIS MANY CODES.

P0300 - Engine Random Misfire Detected
P0441 - Evaporative Emission Control System Incorrect Purge Flow
P0705 - Trans Range Switch Circuit
P1106 - Manifold Absolute Pressure (MAP) Sensor Circuit Intermittent High Voltage
P1133 - Heated Oxygen Sensor (HO2S) Insufficient Switching Bank 1 Sensor 1
P1441 - Evaporative Emission (EVAP) System Flow During Non-Purge
P1662 - Cruise Lamp Control Circuit
P1672 - Low Engine Oil Level Lamp Control Circuit
P1870 - Transmission Component Slipping

Mar 24, 2009 | 1996 Chevrolet Monte Carlo

3 Answers

Codes 1133-0131-0171-0300


p1133 - o2 sensor, Insufficiant Switching, Bank 1 Sensor 1.
p0131 - o2 sensor circuit, low voltage, bank 1 sensor 1
p0171 - Lean condition, Bank 1
p0300 - Random Misfire

I would be looking at the front passenger side oxygen sensor for issues. It may be bad, it may not be plugged in, bad wiring at harness.

The random misfire may be symptomatic of the o2 sensor problem.

Mar 17, 2009 | 2002 Chevrolet Silverado 1500

1 Answer

2005 silverado..5.3...motor idle rough.. getting 3 codes


p0171 and o0174 is lean replace intake gasket they will be a teal color,the old ones are red. i work for chevrolet.this is a common problem

Feb 11, 2009 | 2005 Chevrolet Silverado

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