Question about 1995 Cadillac DeVille

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95 deville service codes current codes are to33, and ao11 what do these mean? problem with car misfiring and dying when given throttle. djohnson46033@yahoo.com

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  • yadayada
    yadayada May 11, 2010

    Are these codes from the instrument cluster readout?

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Here is what your codes mean

T033 ........................................ RR Wheel Speed Sensor Continuity Fault

A011 .......................................... High Side Temperature Sensor Circuit
The TO33 is for your ABS and could be as simple as the plug being disconnected, I have had this happen to me when doing a brake job.

The AO11 is the high side AC temp control, which should mean that your AC system is getting overheated and can be as simple as wasing the condensor coil on your car. Just take it to a self car wash, open the hood and power wash all the coils and radiator.

If these don't fix the problems, you probably have bad sensors and will have to have them replaced.

Dan

Posted on Jan 03, 2009

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PO440


http://www.obd-codes.com/p0442
P0440 indicates the failure of the EVAP system to develop proper vacuum. If you got
and replaced a proper good quality gas cap, you have corrected the most common cause.
However, in fully searching the causes of this code (http://engine-codes.com/p0440_chevrolet.html ) (pardon the generic GM info, but will apply for you)-----you will find there are 5 other causes of the vacuum failure, which are independent of the gas cap. Your good local mechanic can sort those out; I would save your gas cap
receipt if you were advised to buy one not needed. As you probably know, your
State emission test facility checks your gas cap----so that is another way to find that specific portion of this answer,
(for their fee).
P0300 is a generic misfire code. For this, a specific Cadillac forum may be most
helpful = 2001 Deville intermittent service engine soon light code P0300
co-logo-100x100.png 2001 Deville intermittent service engine soon light code... I recently bought this car from an owner who took decent care of it but a week after i bought it, the service engine light appeared. After a few View on www.cadillacforums... Preview by Yahoo You will see that this generic code is perhaps more serious, costly, and harder
to track down than the P0440. You will also discover that P0301 is cylinder 1 misfire, P0302 is cylinder 2, and etc, etc. If you get a good diagnostic, they will generally
be able to localize the problem fairly specifically---and get a more specific fix. The person who reported this code was unhappy because he was given several ($$) fixes,
before he got one that erased the code, and was a solution. (Be forewarned ----A generic misfire can have umpteen issues--or one! !; use your own local preferred method for solving this with a mechanic who gives you good service, and stands behind what they do.)
2001 Deville intermittent service engine soon light code P0300

Jun 04, 2014 | 2001 Cadillac DeVille

1 Answer

On my 95 blazer I have an interrmedite miss that moved from the #3 chilinder to the #5 vacuum and compression testa are good I have replaced the fuel injectors still unable to locate cause of misfire.


I'm guessing that your "Check Engine" or Service Engine Soon" light came on, which means that a code was set in your ECM (onboard computer). Is that how you determined that the miss was on #3 and moved to #5? What was the code and were there any other codes set at the same time? If so, what were they? Also what size engine do you have, and is it a throttle-body or multi-port injection system? Need more info, please.

Oct 03, 2013 | Chevrolet Blazer Cars & Trucks

1 Answer

2005 Chrysler 300 codes po300 and po123


The P0123 means Throttle/Pedal Position Sensor/Switch A Circuit High Input.
The P0300 means Random/Multiple Cylinder Misfire Detected
Clear the code with OBD2 code scanner. If it comes back on, you
still have an issue.

Aug 22, 2012 | 2005 Chrysler 300

1 Answer

Service engine soon light flashing


When the Service engine light is blinking that means that your engine is misfiring and can cause damage to the engine and the catalytic converter. Having the car connected to a code reader should explain what is happening and what cylinder(s) are missing or what could be causing the issue

Mar 15, 2011 | 1998 Cadillac DeVille

1 Answer

03 ponitac grand am would not start 2 different times, it starts about 10 minutes later, it rolls over but doesn't start. Maybe a fuel pump or crank sensor I don't know any ideas?


Failure-to-start scenarios are often an issue of "fuel or spark?"

To check fuel pump, install a fuel pressure gauge on the Shrader valve connector on the
fuel rail, reading ???? - I couldn't find the spec for nominal fuel pressure.....

One good source of diagnostic info is your car's computer - commect an OBD-II code
reader to your car's OBD-II port and ask the car what it thinks it wrong - its capable of
posting 100s of possible error codes, any number of which would/could implicate a fuel
system component. Here a (very) short list of possible computer codes your car's computer
may currently be posting:

error code meaning
--------------- -------------
P0107 MAP (manifold absolute pressure) sensor - low input (to computer)
P0108 MAP (manifold absolute pressure) sensor - high input (to computer)
P0122 TP (throttle position) sensor - low input (to computer)
P0123 TP (throttle position) sensor - high input (to computer)
P0171 fuel system lean
P0172 fuel system rich
P0201 fuel injector 1 control circuit malfunction
P0202 fuel injector 2 control circuit malfunction
P0203 fuel injector 3 control circuit malfunction
P0204 fuel injector 4 control circuit malfunction
P0300 multiple engine misfire detected
P0301 cylinder 1 misfire detected
P0302 cylinder 2 misfire detected
P0303 cylinder 3 misfire detected
P0304 cylinder 4 misfire detected
P0336 CPS (crankshaft position sensor) range/performance
P06xx control module (computer) failure


Possible bad parts:
TP (throttle position) sensor - Duralast TPS172 $51.99 at www.autozone.com

Fuel pressure regulator:
www.autozone.com/autozone/regairinfo/repairguide/repairGuideContent.jsp?pageId=0996b43f8036e816

Fuel Pump:
www.autozone.com/autozone/repairinfo/repairguide/repairGuideContect.jsp?pageId=0996b43f8036e7c7

Fuel Filter:
www.autozone.com/autozone/repairinfo/repairguide/repairGuideContent.jsp?pageId=0996b43f8036e787

Fuel rail (supply manifold) and fuel injectors:
www.autozone.com/autozone/repairinfo/repairguide/repairGuideContent.jsp?pageId=0996b43f8036e7a0

Could also be dying fuel pump relay - Duralast 19264 $14.99 at www.autozone.com.
I don't work for Autozone.com - just convenient info for some cars.

Autozone.com will expect you to register (free) to access their repair guide database (which has pictures - especially helpful for finding sensors).

Oct 25, 2010 | 2003 Pontiac Grand Am

3 Answers

A p0301 p1142 p1545


CODE PO301 - CYLINDER NUMBER 1 MISFIRE DETECTED. POSSIBLE CAUSE- BAD COIL - SPARK PLUG - INTAKE MANIFOLD VACUUM LEAK - DIRTY OR FAULTY FUEL INJECTOR. CODE P1142 - DID NOT SEE. CODE P1545 - THROTTLE VALVE ACTUATOR MALFUNCTION.POSSIBLE CAUSE THROTTLE VALVE CONTROL MODULE FAULTY - THROTTLE VALVE IS DAMAGE OR DIRTY - THROTTLE VALVE MUST BE IN THE CLOSE POSITION - ACCELERATOR PEDAL OUT OF ADJUSTMENT. THROTTLE POSITION ACTUATOR IS SHORTING TO GROUND OR POWER.

May 09, 2010 | 2000 Volkswagen Jetta TDI

1 Answer

I would like to find out what error codes e26 e27 e52 mean on service soon of 1986 Cadillac Deville


E26 - Shorted Throttle Switch Circuit
E27 - Open circuit in throttle switch
On these 2 codes replace the TPS and clear codes (throttle position sensor).
E52 PCM/ECM Memory Reset
Have u cleared the memory? don't worry about this code.

Apr 08, 2009 | 1987 Cadillac DeVille

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