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91 Olds 88 3.8 diagnostic trouble code 34 - Cars & Trucks

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chuckster57
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SOURCE: diagnostic trouble codes for a 91 honda accord

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Posted on Dec 25, 2010

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Got trouble codes for 1991 buick century po12 po34 po 45 po 48 wat does that mean and give me the remedial action for that


91 is OBDI not OBDII. The codes are just 12, 34, 45, and 48. 12 - diagnostic mode 34 - MAF/MAP sensor low voltage 45 - Oxygen sensor rich. 48 - not sure on that one What engine do you have? Are there any symptoms? Ill get you some more info once I know what engine.

Sep 26, 2011 | 1991 Buick Century

1 Answer

91 olds 88 Royale misses, pops and lacks Power after Repairing code 41 and 13. New Magnet and new O2 sensor. now giving code 13 again. runs Horribly Rough.


Check for a vacuum leak. 13 is oxygen? If so, it may be a leak. If not, it may be a bad plug. Have you changed anything? Tried to get a code?

Feb 23, 2011 | 1991 Oldsmobile 88

1 Answer

What does the 3-10 code mean for the 91 chrysler new yorker 3.3 litre


There is no 3-10 code for the 91 chrysler new yorker 3.3 Liter. Are you sure it is not blinking another code?

Fig. 1: Diagnostic trouble codes and descriptions - all vehicles 86724080.gif
Fig. 2: Diagnostic trouble codes and descriptions - all vehicles 86724081.gif

Dec 25, 2010 | 1991 Chrysler New Yorker

2 Answers

Ck engine light , p1107 code reading ,cant find any vacum leak? olds 88 96 model 3.8 liter.


a3342: Your code is for map sensor intermittent low voltage.
This car has on board diagnostic capabilities which is what AllDATA recommends doing first.

Apr 24, 2009 | Oldsmobile 88 Cars & Trucks

1 Answer

Which years/models trannys interchange 1990 olds delta 88 royale


any gm olds , buick caddy, pont, 4speed auto up to 1991 u just got make sure theyre not computer controlled some 91 are n some aint stay away from 84 to 88 they had failures it doesnt really matter about engine size as along its same transmission

Mar 14, 2009 | 1990 Oldsmobile Eighty Eight

2 Answers

My hi and low beam headlights were broken in a small damage accident-1991 olds delta 88 royale-my local supply store tells me a replacement is not available? can any advise thank you bill


hi bill, I think the problem might be the glass cover for the headlights. I checked, and the 87-91 olds delta 88 have a replacement bulb, not a sealed beam headlight. I assume the glass cover (lens) of the headlights were broken due to the minor accident. The headlight lens, or glass, might be found in an auto salvage yard. You might find new ones at a dealership, but they would be very hard to find for a 91, as they don't make them anymore, due to the cars age (no demand to make manufacturing them worthwhile). So check the junk yard, it's your best bet. Good luck, Curt

Mar 09, 2009 | 1991 Oldsmobile 88

1 Answer

Instrument Panel Codes??


Yes, it's called a lamp fault code.

9 is not familiar to me. Call dealer service department and ask them what code means.

Here are codes for a 94 Aerostar. I don't have 91 Sable. Sorry.



Air Bag Diagnostic Monitor Diagnostic Trouble Code Priority Table Diagnostic Trouble Code Component/Fault Description — No Air Bag Indicator — Inoperative Indicator Circuit or No Battery Positive Voltage to Air Bag Diagnostic Monitor — Continuous Air Bag Indicator — Air Bag Diagnostic Monitor Disconnected or Inoperative 12 Low Battery Voltage 13 Air Bag Module or RH Cowl Side Panel Air Bag Sensor Circuit Shorted to Ground 21 LH Cowl Side Panel Air Bag Sensor Not Mounted to Vehicle Properly 22 LH Cowl Side Panel Air Bag Sensor Circuit Shorted to Battery Voltage 23 LH Cowl Side Panel Air Bag Sensor Circuit Input Feed/Return Circuit Open 24 LH Cowl Side Panel Air Bag Sensor Diagnostic Circuit Open or Low Resistance in Center Air Bag or Front Air Bag 32 Driver Side Air Bag Circuit High Resistance or Open 33 Passenger Side Air Bag Circuit High Resistance or Open 34 Driver Side Air Bag Circuit Low Resistance or Shorted 35 Passenger Side Air Bag Circuit Low Resistance or Shorted 41 Center Radiator and RH Cowl Side Panel Air Bag Sensor Circuits High Resistance or Open 44 RH Cowl Side Panel Air Bag Sensor Not Mounted to Vehicle Properly 45 Center Air Bag Sensor Not Mounted to Vehicle Properly 46 Open Splice Center Air Bag Sensor Ground Monitor 51 Air Bag Diagnostic Monitor Internal Thermal Fuse Blown and Short to Ground No Longer Exists 52 Backup Power Supply Voltage Boost Fault 53 Sensor Circuits Resistance to Ground or Internal Air Bag Diagnostic Monitor Fault — Rapid Continuous Flashing of Air Bag Indicator

Feb 25, 2009 | 1992 Mercury Sable

1 Answer

'99 olds 88 diagnosed PO 446 evap vent control problem


Your code means:

P0446 onepx.gif EVAP Canister Purge Vent Blocked

Some of the possible causes:

EVAP vent fresh air hose is clogged, kinked or restricted
EVAP Vent solenoid is contaminated, damaged or has failed
FTP sensor is out-of-calibration, damaged or "skewed"
PCM has failed

All tough thing for a lay person to check. You don't have to take it to the dealer, any repair garage that has the proper equipment can fix this for you.

Feb 09, 2009 | 1999 Oldsmobile 88

1 Answer

Trouble code 34


Is that code from the engine light blinking? My book only has 4-digit numbers in it. If you need a code reader to plug in, most major auto stores will do it for free. Auto Zone and Advanced Auto for sure.

Feb 06, 2009 | 1991 Toyota Pickup

1 Answer

Trouble code 34


is this car turbocharged? I found that in obd1 vehicles toyota trouble code 34 generally represents a fault in turbocharger pressure signal.

Feb 06, 2009 | 1992 Toyota Pickup

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