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  • Cars & Trucks Master
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Located on the top of the intake manifold towards the back of the engine.

Posted on Nov 02, 2012

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Where is map sensor located on a 94 Cadillac DeVille 4.9 engine


Under hood, center, rear engine area, above valve cover, mounted in bracket.

From autozone.com:

Manifold Air Pressure Sensor

Fig. MAP sensor specifications-note how altitude and pressure affect the voltage readings
REMOVAL & INSTALLATION

  1. Remove the intake manifold top cover.
  2. Disconnect the crankcase breather tube from the throttle body.
  3. Remove the MAP sensor from the intake manifold.
  4. Detach the MAP sensor electrical connector.
  5. Inspect the MAP sensor grommet for wear or damage and replace as needed.
To install:
  1. Installation is the reversal of the removal procedure.

map-sensor-located-94-cadillac-deville-3yvs1abwdo3hwax2tll0gwig-1-0.jpg

Feb 14, 2016 | Cadillac Cars & Trucks

2 Answers

How to change map sensor on 2003 Cadillac Seville sls


consult the owners manual or shop manual for that vehicle

Nov 15, 2014 | 2003 Cadillac Seville SLS

1 Answer

Map sensor


Manifold Absolute Pressure Sensor

Print


OPERATION

See Figures 1, 2 and 3


0900c1528003c4d9.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. Fig. 1: MAP sensor location-2.4L engine


0900c1528003c4da.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. Fig. 2: MAP sensor location-3.0L engine


0900c1528003c4db.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. Fig. 3: MAP sensor location-3.3L and 3.8L engines
The PCM supplies 5 volts of direct current to the Manifold Absolute Pressure (MAP) sensor. The MAP sensor then converts the intake manifold pressure into voltage. The PCM monitors the MAP sensor output voltage. As vacuum increases, the MAP sensor voltage decreases proportionately. Also, as vacuum decreases, the MAP sensor voltage increases proportionally.
With the ignition key ON , before the engine is started, the PCM determines atmospheric air pressure from the MAP sensor voltage. While the engine operates, the PCM figures out intake manifold pressure from the MAP sensor voltage. Based on the MAP sensor voltage and inputs from other sensors, the PCM adjusts spark advance and the air/fuel ratio. The MAP sensor is mounted to the intake manifold, near the throttle body inlet to the manifold. The sensor connects electrically to the PCM.


TESTING

See Figures 4, 5, 6 and 7


0900c1528003c4dc.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. Fig. 4: Disengage the MAP sensor connector-3.0L engine shown

WARNING When testing the MAP sensor, make sure the harness wires do not become damaged by the test meter probes.

  1. Visually check the connector, making sure it is attached properly and that all of the terminals are straight, tight and free of corrosion.



0900c1528003c4dd.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. Fig. 5: MAP sensor connector terminal identifications: (A) 5-volt supply, (B) sensor signal, (C) ground-3.0L engine shown


0900c1528003c4de.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. Fig. 6: MAP sensor connector terminal identifications-2.4L, 3.3L and 3.8L engines


0900c1528003c4df.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. Fig. 7: Using a digital volt-ohmmeter, test the MAP sensor voltage-3.0L engine shown

  1. Test the MAP sensor output voltage at the sensor connector between terminals B and C (2.4L, 3.3L and 3.8L engines), or A nd B (3.0L engine).
  2. With the ignition switch ON and the engine not running, the output voltage should be 4-5 volts. The voltage should fall to 1.5-2.1 volts with a hot, neutral idle speed condition. If OK, go to the next step. If not OK, go to Step 5.
  3. Test the PCM terminal 36 for the same voltage described in the previous step to make sure the wire harness is OK. Repair as necessary.
  4. Test the MAP sensor ground circuit at the sensor connector terminal A (2.4L, 3.3L and 3.8L engines) or C (3.0L engine) and PCM terminal 43. If OK, go to the next step. If not OK, repair as necessary.
  5. Test the MAP sensor supply voltage between the sensor connector terminals A and B (2.4L, 3.3L and 3.8L engines) r A and C (3.0L engine) with the ignition key in the ON position. The voltage should be about 4.5-5.5 volts.
  6. There should also be 4.5-5.5 volts at terminal 61 of the PCM. If OK, replace the MAP sensor.
  7. If not, repair or replace the wire harness as required.


REMOVAL & INSTALLATION

See Figures 1, 2, 3 and 4
The MAP sensor is mounted on the intake manifold near the throttle body inlet to the manifold.

  1. Disconnect the negative battery cable.
  2. On the 3.0L engine only, disconnect the vacuum hose from the MAP sensor.
  3. Detach the electrical connector from the MAP sensor.
  4. Unfasten the mounting screws, then remove the MAP sensor from the vehicle.

To install:
  1. Install the sensor onto the intake manifold and tighten the mounting screws to 35 inch lbs. (4 Nm).
  2. Attach the sensor electrical connector.
  3. On the 3.0L engine, connect the vacuum hose to the MAP sensor.
  4. Connect the negative battery cable.

Jul 21, 2012 | 1997 Plymouth Voyager

1 Answer

I need to replace the map sensor in a 2.4 alero but I do nor know where it located.


Here is a diagram of where the map sensor is located on this particular vehicle, i have also included the removal and installation procedures as well

Hope this helps....

REMOVAL PROCEDURE

  1. Remove the air cleaner outlet resonator.
  2. Disconnect the manifold absolute pressure (MAP) sensor.
  3. Remove the MAP sensor attaching screws (1).
  4. Remove the MAP sensor vacuum hose (2).
INSTALLATION PROCEDURE

  1. Connect the vacuum hose (2).
NOTE: Refer to Fastener Notice in Service Precautions.

  1. Install the MAP sensor attaching screw (1).
Tighten
Tighten the screw to 6.5 N.m (5.7 lb in) .

  1. Connect the MAP sensor connector.
  2. Reinstall the air cleaner outlet resonator.


asetech74_0.gifasetech74_1.gif

Sep 15, 2011 | 2000 Oldsmobile Alero

1 Answer

Where is the MAP sensor located on a 2005 Cobalt and how do I replace it?


Hi, there are 3 different engines for the 2005 Cobalt. I have pasted instructions from Autozone.com for all 3 below. I recommend you run the test also pasted below before buying a new sensor. If your sensor passes the test, please get back to me with your symptoms and/or trouble code for alternate repair advice. Please let me know if you have any questions, and thanks for using FixYa.
Removal & Installation2.0L Engine
Supercharger Inlet Pressure (Scip) Sensor
jturcotte_2008.gif



Fig. Manifold Absolute Pressure (MAP) SCIP sensor location-2.0L engine

  1. Disconnect the Supercharger Inlet Pressure (SCIP) sensor harness connector.
  2. Remove the SCIP sensor (1) from the supercharger.
    WARNING: If the SCIP sensor seal is damaged, the SCIP sensor must be replaced.
  3. Inspect the seal for damage.

To install:
NOTE: Use the new SCIP sensor seal provided with the new SCIP sensor.
  1. Install the SCIP sensor (1) into the intake manifold. Tighten the bolt to 89 inch lbs. (10 Nm).
  2. Connect the SCIP sensor harness connector.
Temperature Manifold Absolute Pressure (Tmap) Sensor
jturcotte_2009.gif

Fig. Manifold Absolute Pressure (MAP) TMAP sensor location-2.0L engine

  1. Disconnect the Temperature Manifold Absolute Pressure (TMAP) sensor harness connector.
  2. Remove the TMAP sensor from the intake manifold.
    WARNING: If the TMAP sensor seal is damaged, the TMAP sensor must be replaced.
  3. Inspect the seal for damage.
To install:
NOTE: Use the new TMAP sensor seal provided with the new TMAP sensor.
  1. Install the TMAP sensor into the intake manifold. Tighten the bolt to 89 inch lbs. (10 Nm).
  2. Connect the TMAP sensor harness connector.
2.2L & 2.4L Engines
jturcotte_2010.gif

Fig. Manifold Absolute Pressure (MAP) sensor location-2.2L & 2.4L engines

  1. Remove the throttle body.
  2. Disconnect the engine harness electrical connector from the Manifold Absolute Pressure (MAP) sensor.
  3. Remove the MAP sensor and seal.

To install:
  1. Lubricate the NEW MAP sensor seal with clean engine oil.
  2. Install the MAP sensor into the intake manifold.
  3. Connect the engine harness electrical connector to the MAP sensor.
  4. Install the throttle body.
Testing
  1. Verify the integrity of the entire air induction system by inspecting for the following conditions:
    Any damage to, or hairline fractures of, the MAP sensor housing, Loose or improper installation, Any vacuum leak
  2. Verify that restrictions do not exist in the MAP sensor port or vacuum source.
  3. Determine the current vehicle testing altitude. Ignition ON, observe the scan tool BARO Sensor parameter.
  4. Use the scan tool and compare the MAP Sensor parameter to a known good vehicle, under various operating conditions.

Circuit Testing
jturcotte_556.jpg

Fig. Manifold Absolute Pressure (MAP) connector end view-2.0L & 2.2L engines
jturcotte_557.jpg

Fig. Manifold Absolute Pressure (MAP) connector end view-2.4L engine

NOTE All electrical components and accessories must be turned OFF, and allowed to power down.

  1. With the ignition OFF, disconnect the MAP harness connector at the MAP sensor.
  2. Test for less than 5 ohms of resistance between the low reference circuit terminal 2 and ground-2.0L & 2.2L (A and ground-2.4L).
    1. If greater than the specified range, test the low reference circuit for an open/high resistance.
    2. If the circuit tests normal, replace the ECM.
  3. With the ignition ON, test for 4.8-5.2 volts between the 5 volt reference circuit terminal 1 and ground-2.0L & 2.2L (C and ground-2.4L).
    1. If less than the specified range, test the 5 volt reference circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace the ECM.
    2. If greater than the specified range, test the 5 volt reference circuit for a short to voltage. If the circuit tests normal, replace the ECM.
  4. Verify the scan tool MAP sensor parameter is less than 1 kPa.
    1. If greater than the specified range, test the signal circuit terminal 3-2.0L & 2.2L for a short to voltage.
    2. If the circuit tests normal, replace the ECM.
  5. Install a 3A fused jumper wire between the signal circuit terminal 3-2.0L & 2.2L and the 5 volt reference circuit terminal 1-2.0L & 2.2L. Verify the scan tool MAP sensor parameter is greater than 126 kPa.
    1. If less than the specified range, test the signal circuit terminal 3-2.0L & 2.2L for a short to ground or an open/high resistance.
    2. If the circuit tests normal, replace the ECM.
  6. If all circuits test normal, test or replace the MAP sensor.

Component Testing

NOTE You must perform the circuit/system testing, in order to verify the integrity of the MAP sensor circuits, before proceeding with the component testing.
  1. Turn ON the ignition, with the engine OFF, and remove the MAP sensor.
  2. Install a 3A fused jumper wire between the 5 volt reference circuit terminal 1-2.0L & 2.2L and the corresponding terminal of the MAP sensor.
  3. Install a jumper wire between the low reference circuit terminal 2-2.0L & 2.2L of the MAP sensor and ground.
  4. Install a jumper wire at terminal 3-2.0L & 2.2L of the MAP sensor.
  5. Connect a DMM between the jumper wire from terminal 3 of the MAP sensor and ground.
  6. Install the J 35555 to the MAP sensor vacuum port. Slowly apply vacuum to the sensor while observing the voltage on the DMM. The voltage should vary between 0-5.2 volts, without any spikes or dropouts.
  7. If the voltage is not within the specified range or is erratic, replace the MAP sensor.

Aug 04, 2011 | 2005 Chevrolet Cobalt

1 Answer

Need location of 2002 intrepid map sensor and how to change it


The MAP sensor mounts to the driver side of the intake manifold plenum.0996b43f802022b9.jpg


Removal & Installation


  1. Remove the negative battery cable.
  2. Disconnect the electrical connector from the MAP sensor.
  3. Remove bolts from sensor.
  4. Remove sensor.


To install:

  1. Bolt sensor to intake.
  2. Attach electrical connector to sensor.
  3. Install the negative battery cable.

Jul 23, 2011 | 2002 Dodge Intrepid

3 Answers

My check engine light came on and went to Auto Zone and that said it has something to do with the vaccum leak that effects the fuel. What could it be?


If there is a 'vacuum leak', then a hose may be leaking or disconnected from a device such as the EGR valve (on older engines), for instance. Or, it could be a loose or leaking MAP sensor gasket:


Manifold Absolute Pressure (MAP) Sensor Removal & Installation 3.5L & 3.9L Engines To Remove:
MAP sensor (typical) gm-04-35-2513.gif

  1. Remove the engine cover.
  2. Disconnect the MAP sensor electrical connector.
  3. Remove the MAP sensor mounting bolts from the intake manifold and remove the MAP sensor with the retainer bracket and seal.
To Install:
  1. Install the MAP sensor with the retainer bracket and seal to the intake manifold. Tighten the mounting bolts 18 ft-lb (25 Nm).
  2. Connect the MAP sensor electrical connector.
5.3L Engine To Remove:
  1. Remove the engine cover.
  2. Disconnect the manifold absolute pressure sensor (MAP) harness connector. MAP sensor (typical 5.3L) gm-04-53-1527.gif

  3. Remove the MAP sensor from the intake manifold.
To Install:
  1. Apply clean engine oil to the MAP sensor inlet tube.
  2. Install the MAP sensor on the intake manifold.
  3. Connect the MAP sensor harness connector.
  4. Install the engine cover.
---
May want to purchase a Haynes or Chilton manual and study the vacuum line diagram to see if you can determine if one of the vacuum hoses is loose or misplaced or broken.

One can also do a visual inspection of the hoses to see if any are disconnected from where they should be.

Feb 14, 2011 | 2007 Chevrolet Impala LS Sedan New Cars

2 Answers

Replacing the MAP sensor??


REMOVAL & INSTALLATION
  1. Disconnect the negative battery cable.
  2. Locate the MAP sensor and remove the retaining screws
  3. Detach the electrical connector.
99e56ea.jpg

Fig. On the 3.1L engine, the MAP sensor is located alongside the intake manifold

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Fig. MAP sensor and its bracket arrangement-3.4L (VIN E) engine

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Fig. Location of the MAP sensor on the throttle body adapter-3.4L (VIN X) Engine

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Fig. The MAP sensor is located just behind the throttle body mounting base-3.5L (VIN H) engine

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Fig. MAP sensor and its location alongside the supercharger-3.8L (VIN 1) Engine

98ee1cd.jpg

Fig. On the 3.8L (VIN K) engine, the MAP sensor is located on top of the PCV valve cover
  1. Remove the vacuum hose and lift the MAP sensor from the engine.
  2. Installation is reverse of the removal procedure.

Hope helps (remember rated and comment this).

Aug 06, 2010 | 2000 Oldsmobile Intrigue

1 Answer

How do you replace the throttle position sensor


Removal & Installation
  1. Remove the idle air control (IAC) electrical connector (1) from the IAC sensor (4).
  2. Remove the manifold absolute pressure (MAP) sensor electrical connector from the MAP sensor.
  3. Remove the water pump belt cover.
  4. Remove the TP sensor retaining screws electrical connector (2) from the TP sensor (3).
  5. Remove the TP sensor electrical connector (2) from the TP sensor (3).


57f7d68.gif

Detaching electrical connectors prior to TP sensor removal



6244f87.gif

Identifying components for removal of the TP Sensor


To install:
  1. Install the new O-ring on to the TP sensor.
  2. Connect the TP Sensor electrical connector (2) to the TP sensor (3).
  3. Install the TP sensor (2) on to the throttle body (1). Tighten the TP sensor screws to 2.3 Nm (20 inch lbs.).
  4. Connect the IAC electrical connector (1) to the IAC sensor (4).
  5. Connect the MAP sensor electrical connector to the MAP sensor.
  6. Install the water pump belt and tensioner cover.
  7. Perform the TP Sensor learn procedure:
  8. Turn the ignition to the RUN/ON position.
  9. Wait 1 minute.
  10. Turn the ignition to the LOCK/OFF position.

May 12, 2010 | 2000 GMC Jimmy

1 Answer

How hard is it to replace the MAP sensor on a 2001 dodge durango?


VERY SIMPLE!!!!!

4.7L The MAP sensor is located on the front of the intake manifold. An O-ring seals the sensor to the intake manifold.
  1. Disconnect electrical connector at sensor.
  2. Clean area around MAP sensor.
  3. Remove 2 sensor mounting bolts.
  4. Remove MAP sensor from intake manifold.
To Install:
  1. Clean MAP sensor mounting hole at intake manifold.
  2. Check MAP sensor O-ring seal for cuts or tears.
  3. Position sensor into manifold.
  4. Install MAP sensor mounting bolts (screws). Tighten screws to 3 Nm (25 inch lbs..) torque.
  5. Connect electrical connector.

Apr 23, 2010 | 2001 Dodge Durango

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