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P29e1... cant get rid of this code already changed out all 4 o2 sensors. help thanks'

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Error Code P0430


this is the o2 sensor after the pre cat so post cat you can get a tune to get rid of code or replace the o2 sensor or get spacer that screws into the cat witch will make it not code the o2 sensor is there to just make sure the cat is there for emissions and will not effect the gas milage

Jul 15, 2014 | 2004 Audi TT

1 Answer

Where if fuel pressure test port 1990 oldsmobile cutlass ciera 4 cylinder - O2 sensore read code 44


The internet is filled with all sorts of OBD1 Code 44 info to read

Bad Egr Valve --letting unmetered air in
Vacuum Leaks in the Exhaust Before the O2 Sensor
Bad Oxygen Sensor or corroded wiring
Vacuum leaks anywhere
Fuel Pressure too low
& more

You'd have to tee into the fuel filter to use a fuel pressure gauge,
if you got no shrader valve on the motor

You changed a fuel pressure regulator-- in the throttle body?

You won't see much with a scope on that system, if you scope
the O2 Sensor,their sort of slow compared to OBD2

Mar 28, 2014 | 1990 Oldsmobile Cutlass Ciera

1 Answer

88 olds cutlass ciera international getting error code 45 cant find it in the book


Code 45 is for a rich O2 sensor. If you have already changed the sensor, the fuel mixture may actually be rich.
Possible causes include a leaking fuel injector, faulty fuel pressure regulator, or other problems.

Apr 14, 2013 | 1992 Oldsmobile Cutlass Ciera

1 Answer

I have a 2000 Mazda Protege EX, 1.6 L, manual transmission. Car was driving normal but hesitating and Engine light came in. Checked MAF hose & is not cracked, changed spark plugs & coil, but light...


Many o2 sensors have gone bad but 50% of the time when a code is set on a car about an o2 sensor there is another cause which is changing the emissions & setting the o2 code (ex. vacuum leak, bad plug, injector, it could very well be the cat etc.) The root cause of the problem must be found NOT JUST READING CODES! TAKE YOUR CAR ELSWHERE.

Apr 07, 2017 | Jaguar XJ8 Cars & Trucks

1 Answer

Already replaced o2 sensor 2 times which means im getting ready to install 4th o2 sensor and cant figure out whats causing o2 sensor to fail. car is idleing rough but not stallin yet. please help


What is your Trouble code? O2 sensors just don't go bad, unless you are buying cheap parts. Need to find out why its idling rough. if there are no codes have a repair shop review the scan data and see why its running rough.

Sep 22, 2011 | 2005 Dodge Grand Caravan

2 Answers

1999 ford ranger 4x4 4.0L motor is skipping replaced camshaft sensor,crankshaft sensor,new coil pack,new plugs,wires,and replaced mass air flow sensor,now its still skipping and codes pulled are showing...


P1151 means a lean bank 2 O2 sensor
P1152 Means a rich bank 2 O2 sensor
P1309 Means miss fire detected
I would check your fuel injector for fouling
When they foul the will develop a drip
Causing a fuel fluctuation that will have O2 sensors reporting rich and lean voltage changes
This causes the pcm to adjust injector pulses making them shorter and longer.
causing more fuel or less fuel.
From this condition you may see plug fouling.
Also check for leaking or faulty fuel pressure regulator or restricted return line.
Most of the time it wont be a bad O2 sensor the O2 sensor is just doing its job.
You also have already changed the plugs and Map so there already out of the way.
If this helps please give me some feed back
Hope this works for you FixYa

Jan 29, 2011 | 1999 Ford Ranger SuperCab

2 Answers

Code: P0133 - O2 Sensor Circuit Slow Response Bank 1 Sensor 1


is this a 4 or 6 cylinder?
if a 4 cylinder it will only have 2 o2 sensors
V6 will have 4 o2 senors which the sensor will be the right side of the engine first sensor.
1st sensor on exhaust, I recommend if you change one change all, as this will make the computer when it rechecks the system you have all clean/fast responding sensors.

if you have a slow response it means the sensor is dirty and not reading well, which is usually caused by minor misfires that the engine computer dismisses, so a tune up would be recommended too.

May 06, 2009 | 2001 Saturn SC

1 Answer

Check Engine Light


scan the computer again for codes. driving the car with flashing ck engine lite is damaging the valves and the cat converters. any po300,1,2,3,4,5,6,7,8 codes indicate that cyl. #misfire. most likely plugs and/or coils. if the po174 is back i would take a look at a possible vacuum leak in engine somewhere. the o2 sensor could have fixed the 153/4 but still could be more

Dec 06, 2008 | 2001 Lincoln LS

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