Question about 1996 Pontiac Bonneville SE CA Value

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PO171 system tooLean Bank1 PO300 Random Misfire Detected

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Bank 1 is the side with the #1 cylinder. Suggest you Google the codes for possible causes. have you checked forvacuum leaks?

Posted on Jul 08, 2010

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Posted on Jan 02, 2017

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Check engine light code p2196,p2197, po300 ,304,305,306,p2 ,Im freeking out.


P0300 Random/Multiple Cylinder Misfire Detected P0301 Cylinder 1 Misfire Detected P0302 Cylinder 2 Misfire Detected P0303 Cylinder 3 Misfire Detected P0304 Cylinder 4 Misfire Detected P0305 Cylinder 5 Misfire Detected P0306 Cylinder 6 Misfire Detected P0307 Cylinder 7 Misfire Detected P0308 Cylinder 8 Misfire Detected P0309 Cylinder 9 Misfire Detected P0310 Cylinder 10 Misfire Detected P0311 Cylinder 11 Misfire Detected P0312 Cylinder 12 Misfire Detected P0313 Misfire Detected with Low Fuel P0314 Single Cylinder Misfire (Cylinder not Specified) P0315 Crankshaft Position System Variation Not Learned P0316 Misfire Detected On Startup (First 1000 Revolutions)

Read more at: http://www.obd-codes.com/trouble_codes/
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P2195 O2 Sensor Signal Stuck Lean Bank1 Sensor 1 P2196 O2 Sensor Signal Stuck Rich Bank1 Sensor 1 P2197 O2 Sensor Signal Stuck Lean Bank2 Sensor 1 P2198 O2 Sensor Signal Stuck Rich Bank2 Sensor 1

Read more at: http://www.obd-codes.com/trouble_codes/
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May 07, 2015 | 2006 Ford Taurus SEL

1 Answer

What does the codes on a volkswagen beatle turbo mean codes are po300 po302 po1296 po411 po304


P0300 random misfire, p0302 cylinder 2 misfire, p0304 cylinder 4 misfire, p0411 secondary air injection system incorrect flow detected, p1296 cooling system malfunction

Apr 15, 2015 | Volkswagen Beetle Cars & Trucks

1 Answer

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.

Feb 17, 2015 | Acura Cars & Trucks

1 Answer

I'm trying to find out what po303 and po300 means


P0300: Random/Multiple Cylinder Misfire Detected
P0303: Cylinder 3 Misfire Detected
It looks like cylinder 3 isn't firing properly.

Apr 22, 2013 | Cars & Trucks

3 Answers

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

97 toy corolla DTC po300 po301 po401 po402


po300 random/multiple cylinder misfire detected po301 cylinder 1misfire detected po401egr flow insufficient po 402egr flow excessive

Feb 11, 2010 | 1997 Toyota Corolla

1 Answer

Po128,po155,po171,po300 These are the things that faile on my 2002 chevy blazer when I took it to the Maryland state emmissions test. Do you know what they are?


P0128 (Coolant thermostat-coolant temp below thermostat regulating temperature) Possible cause-Mechanical fault

P0155 (Heated oxygen sensor (H)2S)1, bank 2,-circuit malfunction) Possible cause Wiring, H02S, ECM

P0171 (System to lean, ban 1) possible cause intake blocked, EVAP canister purge valve, fuel pressure, EGR system, injector(s), H02S

P0300 (Random/multiple cylinder(s)-misfire detected) Possible causes Spark plug(s), HT lead(s), injector(s), ignition coil(s), low compression, or wiring.

Sep 05, 2009 | 2002 Chevrolet Blazer

1 Answer

Lack of fuel when accelerating


This might help. It looks like you O2 sencor had gone bad or the signal has and causing multiple mis fire. according to your codes. 
PO171 System too Lean (Bank 1

PO174 System too Lean (Bank 2)

PO300 Random/Multiple Cylinder Misfire Detected

Causes of PO300
Fuel injectors, related wiring, sensors and computer issues
Running out of gas, or poor fuel quality
Evaporative emissions system (EVAP) concerns: fuel vapors leaking into engine
Incorrect Fuel Pressure
EGR system concerns

I'ld start with chaning the O2 sensors first but sheck for bad wire connection. Hope this helps and good luck

Apr 08, 2009 | 2004 Ford F150

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