Question about 1997 Pontiac Bonneville

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My 96 Bonneville had two codes.... po0300 and

My 96 Bonneville had two codes.... p0300 and p0171. the idle is just above 1000 now. Any ideas?

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P0300 might be spark plugs and wires

Posted on Mar 19, 2009

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98 dodge ram 1500 5.9L 2wd codes P0300, P0301, P0302, P0303, P0171. What all do I need to do to resolve??


the p0300--p0301-p0302=p0303 are misfire codes and can mean needs tune up or wiring problem and p0171 is system to lean bank 1 with this code if you correct it will probably correct the misfire codes your receiving
http://www.obd-codes.com/p0171 Fixing Hesitating Car P0171 Code YouTube P0171 System Too Lean Bank 1

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2012 Nissan Versa 1.6, after idling for a about 20 minutes (or while in heavy traffic) engine starts sputtering and eventually would stall. Would no start till cooled off. The following codes come up :...


P0171 and P0174 are telling you that each cylinder bank is running too lean. P0300 is telling you there is a misfire, possibly caused by the other codes. This is why the engine is running rough.

Oct 20, 2013 | Cars & Trucks

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Replaced 02 sensor with code 131 and 171 now getting p0053


Code 53 is for a problem with the heater in the O2 sensor for bank one sensor one. It could be something in the wiring or you could have a defective sensor.

Jan 13, 2013 | 2005 GMC Sierra

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What would cause a p0300 code what do i need to do to fix


2003 alero misfires, chgd plugs and fuel regulator, codes are p0171 and p0300. Any ideas

Aug 13, 2010 | 2003 Oldsmobile Alero

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2003 Ford Ranger 4x4 extended cab- diagnostics checked and got these codes- P0171, P0174, P0300, P0316. Can you tell me what they mean?


P0171------ system too lean bank#1
Po174------ system too lean bank#2
For these 2 codes, try cleaning the maf sensor (mass air flow), that is mounted in the big black hose that goes from the air filter housing to the throttle plate, if it is dirty, that will cause those 02 sensors to send a signal to the computor to lean the air fuel mixture. If cleaning it doesn't work, the sensors will probably need changing.
P0300---- Random/multiple cylinder misfire
P0316---- Cylinder misfire at start up---- first 100 revolutions.
On those 2 codes, you have to do some testing to find out why there is a misfire.
Possible causes:
dirty/malfunctioning injectors
weak coil pack
fowling spark plugs/wires
Low fuel pressure

May 11, 2010 | 2003 Ford Ranger Regular Cab

2 Answers

Have code P0001, P0171, & P0300. Need to know


P0300 Random/Multiple Cylinder Misfire Detected
P0171 System too Lean (Bank 1) - Read Our Article On Oxygen Sensor Codes For Help With This Generic Check Engine Light Code
i could only find the 2 codes for you
try here
www.engine-light-help.com
what kind of shape are your plug wires in ?

Jan 14, 2010 | 2005 Chevrolet Suburban

1 Answer

Need info for codes


P0171 System too Lean (Bank 1)
P0300 Random/Multiple Cylinder Misfire Detected
check for vacuum leaks
check fuel for contamination or water
check fuel pressure
the other 2 codes could be related to these 2 codes and are manufacturer specific codes
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2001 GMC Jimmy Idling rough


HI
P0300 is multiple misfires.
P0171 is lean burn on left bank 1 means drivers side
02 sensor is faulty. Your vehicle is over fuelling that is why your are getting P0300 code and the rotten egg smell. Good idea is to replace both 02 sensors.

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1 Answer

DTC P0300, P0302, P0171, PO506


hey man i have the same problem... did you fix it.. i need help please email me at carlos_42611@yahoo.com if you have any info!

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