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Jennifer Buffington Posted on Jan 14, 2013
Answered by a Fixya Expert

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How to check if the Manifold Absolute Pressure Sensor is bad for a 1991 cadillac deville touring sedan

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  • Expert 165 Answers
  • Posted on Jan 14, 2013
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Joined: Dec 24, 2012
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They go bad after so many miles so its better to go ahead and replace it : )

5 Related Answers

dustyboner

alex metro

  • 364 Answers
  • Posted on Nov 29, 2008

SOURCE: Manifold Absolute Pressure sensor location Ford Explorer

There isn't one. It uses a MAF (mass airflow) sensor.

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Anonymous

  • 33 Answers
  • Posted on Aug 26, 2009

SOURCE: Replacing a 1991 cadillac sedan deville air compressor

The lines should be differant sizes.. Did you check it? Ther should be a diagram on the cover over your radiator showing you the set up.. Hope this helps..

Anonymous

  • 21 Answers
  • Posted on Oct 07, 2009

SOURCE: MY VW POLO SHOWS FAULT CODE ; P0106 ABSOLUTE MANIFOLD PRESSURE SE

this a map sensor, probably just need the sensor replaced, it measurese intake vaccum and adjusts air/fuel mixture accordingly

Testimonial: "MANY THANKS TO HONDABOY 47. SPOT - ON. PROBLEM SOLVED!"

dogwood32

  • 432 Answers
  • Posted on Jan 15, 2010

SOURCE: I can not find the manifold absolute sensor on

Likely mounted between the valve covers and the carb/throttle body on the passinger side of engine.One vacum hose and a three wire harness.Two mounting screws.Probibly mounted on a metal bracket with several other things packed on as well.

Anonymous

  • 10319 Answers
  • Posted on Jan 31, 2010

SOURCE: have a 2005 cadillac deville, get error code

the mapp & barometric sensors aren't doing the job in performing the correct mixture of hydrocarbons to pass through your exhaust

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1helpful
1answer

HOW DO I INSTALL A TPS ON MY 2000 CADILLAC DEVILLE 4.6 ENGINE?

Throttle Position Sensor Replacement
Remove the idle air control (IAC) electrical connector (1) from the IAC sensor (4).
Remove the manifold absolute pressure (MAP) sensor electrical connector from the MAP sensor.
Remove the water pump belt cover.
Remove the TP sensor retaining screws electrical connector (2) from the TP sensor (3).
Remove the TP sensor electrical connector (2) from the TP sensor (3).
May have video on youtube showing how to
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How do I locate and change the map sensor on a 2006 Cadillac northstar dts

4.6L & 6.0L Engines

The Manifold Absolute Pressure (MAP) Sensor is mounted in the front of the intake manifold behind the throttle body.


5.7L Engine

The Manifold Absolute Pressure (MAP) Sensor is mounted in the rear of the intake manifold.***** you didn't tell me what motor you have so here are all of them on4.6L&6.0L its mounted in the front of the intake manifold behind the throttle body on the 5.7L its mounted in the rear of the intake manifold

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Where can i find the ect sensor on my 1999 cadillac deville

Click over pic for zoom...

zjlimited_1119.jpg

Fig. Showing the location of MAP Sensor and other components on the front of the engine: 1. Manifold Absolute Pressure (MAP) Sensor; 2. Idle Air Control (IAC) Valve; 3. Engine Coolant Temperature (ECT) Sensor; 4. Throttle Position (TP) Sensor

zjlimited_1120.jpg

Fig. Engine coolant temperature sensor (1).
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1991 cadillac sedan deville has excess pressure in gas tank and stalls making right hand turns as soon as fuel gauge shows 9 gals.

SOUND LIKE FUEL PUMP GOING BAD.BUT CHECK THE EVAP CHARCOAL CANISTER FILTER IF GAS SOAKED REPLACE IT REPLACE GAS CAP MAKE SURE GAS CAP IS THE PRESSURE VACUUM TYPE.ALSO CHECK VACUUM PURGE VALVE VACUUM HOSE TO CARBURETOR AND CHECK VACUUM HOSE TO CHARCOAL CANISTER FOR BLOCKAGE RESTRICTION OR BROKEN AND MISSING.
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Where is the knock sensor located at on a 1997 cadillac sedan deville northstar engine

The knock sensor is located under the intake manifold.The starter is also located under the intake manifold.Hope this helps.Good luck.
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Where is the knock sensor on a cadillac sedan

located underneath the intake manifold remove it and disconnect the knock sensor unscrew the knock sensor. installation is reverse
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Have a 2005 cadillac deville, get error code P0108, Hi pressure Absolute manifold pressure/BARO sensor high input. what exactly does this mean?

the mapp & barometric sensors aren't doing the job in performing the correct mixture of hydrocarbons to pass through your exhaust
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Replacing a 1991 cadillac sedan deville air compressor

The lines should be differant sizes.. Did you check it? Ther should be a diagram on the cover over your radiator showing you the set up.. Hope this helps..
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