Question about 1996 Plymouth Grand Voyager

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Same Problem I have the EXACT same problem with my 1996 Voyager (3.0 V6) van. I have replaced the PCV valve & MAP sensor with no change. If it's hot outside, the van will just die while driving a short while after reaching its normal operating temperature (never over-heats). I simply pull over, wait about 10 seconds, & it starts right back up, but will do the same thing just a mile down the road. Did not do this in winter. No warning or check engine lights are on. I have not had the van checked with a computer for any codes. Please let me know if you find a solution!

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Hi there. First thing I'd look at is the fuel supply to the engine - I mean the pipework and in particular all rubber fuel lines. When the ambient temperture is hot, any trapped rubber/plastic fuel lines are more likely to become restricted thus starving your engine of fuel. Of course, during the winter months the flexible/rubber/plastic fuel lines are more rigid and therefore less likely to be squeezed closed or cause a restriction. You may need to use the services of a Dealer or Fast Fit Centre to raise the vehicle and check all the fuel lines under the vehicle and around the fuel tank too. Hope this helps. Scottech.

Posted on Jun 17, 2009

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1 Answer

How do you find and replace the pcv valve on a 1996 Buick Park Avenue?


3.8 liter non super charged.

Remove the plastic cover over the top of the engine. on the passenger side of the intake plenum there is a senor (MAP Sensor). That sensor mounts to the top of the PCV cover. Remove the MAP sensor. Remove the cover and the PCV valve will be underneath.

Mar 19, 2011 | 1996 Buick Park Avenue

1 Answer

Changing pcv valve in 97 chevy lumina


PCV VALVE LOCATED IN THE FRONT VALVE COVER.JUST PULL PCV VALVE OUT VALVE COVER. THEN YOU PULL PCV OUT OF THE END OF HOSE THEN INSTALL THE NEW ONE. FOR THE 3.8 ENGINE REMOVE THE TOP FUEL INJECTOR COVER.DISCONNECT THE ELECTRICAL CONNECTOR FROM MAP SENSOR AND UNCLIP THE MAP SENSOR FROM THE PCV VALVE ACCESS COVER AND ROTATE IT COUNTERCLOCKWISE TO REMOVE IT.TO REPLACE THE VALVE PULL THE PCV AND O RING ASSEMBLY FROM THE INTAKE MANIFOLD NOTING ITS INSTALLED POSITION AND DIRECTION. MAKE SURE WHEN YOU BUY NEW PCV VALVE TAKE OLD PCV VALVE WITH YOU SO YOU WILL GET THE RIGHT ONE.THAT WILL SAVE YOU TIME AND FUEL.

Dec 26, 2010 | 1997 Chevrolet Lumina

1 Answer

1999 olds 88. I have replaced the fuel pump, sending unit, filter, mass air flow senson, spark plugs and wires, fuel pressure regulator. The car idles fine but when you apply pressure to the gas pedal it...


recommend you check your MAP sensor. You will need a voltmeter.
If you don't have a vacuum gage, just use your mouth to pull a vacuum on the hose and see if the voltage drops when you do.
Let me know if you have questions.


OPERATION The Manifold Absolute Pressure (MAP) sensor, used on 1996-99 vehicles, measures the changes in intake manifold pressure which result from engine load/speed changes, and converts this information to a voltage output. The MAP sensor reading is the opposite of a vacuum gauge reading: when manifold pressure is high, MAP sensor value is high and vacuum is low. A MAP sensor will produce a low output on engine coast-down with a closed throttle while a wide open throttle will produce a high output. The high output is produced because the pressure inside the manifold is the same as outside the manifold, so 100 percent of the outside air pressure is measured.
The MAP sensor is also used to measure barometric pressure under certain conditions, which allows the PCM to automatically adjust for different altitudes.
The MAP sensor changes the 5 volt signal supplied by the PCM, which reads the change and uses the information to control fuel delivery and ignition timing.


TESTING See Figures 1 and 2

  1. Visually check the connector, making sure it is properly connected and that all of its terminals are straight, tight and free of corrosion.
  2. With the ignition ON , check the voltage between terminals A and B (probe the back of the connector to connect to these wires). It should be above 4 volts. Apply 15 in. Hg of vacuum at the MAP vacuum port and check the voltage again. The voltage should be 2 volts now.


jturcotte_326.gif

Fig. Fig. 1: Manifold Absolute Pressure (MAP) sensor circuit
When pumping up and releasing the vacuum, check to make sure the voltage readings are smooth. When applying vacuum to the sensor, the change in voltage should happen instantly. A slow change in voltage could point to a faulty sensor.


jturcotte_327.gif

Fig. Fig. 2: MAP sensor voltage specifications

  1. If the sensor voltage is not within specification, check for a 5 volt reference at terminal C. If the reference signal is found, the sensor is faulty.
  2. If the sensor and circuits are functional, the PCM may be faulty.


REMOVAL & INSTALLATION

3.8L (VIN K) Engine
See Figure 4
On these engines, the MAP sensor is mounted to the PCV valve cover.

  1. Disconnect the negative battery cable.
  2. Detach the MAP sensor electrical connector.
  3. Carefully bend the locking tabs holding the MAP sensor to the PCV valve cover, just enough to remove the MAP sensor.
  4. Pull the MAP sensor straight out of the PCV valve cover.
jturcotte_328.gif

Fig. Fig. 4: On the 3.8L (VIN K) engine, the MAP sensor (1) is mounted in the PCV valve cover (2)

To install:

  1. Make sure that the seal is installed on the MAP sensor and that it is not damaged.
  2. Position and install the MAP sensor to the PCV valve cover. Make sure the locking tabs engage to hold the sensor to the cover.
  3. Attach the sensor electrical connector.
  4. Connect the negative battery cable.

Nov 27, 2010 | 1992 Oldsmobile 88

2 Answers

Where is the pcv valve for a 2004 Monte Carlo 3800 4.2 L V6


PCV Valve is in one of the valve covers with a hose connected to it. Pull it straight out of the valve cover and remove it from the hose. Shake it to see if the valve moves back and forth. If not, replace.

Sep 05, 2010 | 2004 Chevrolet Monte Carlo

1 Answer

Engine surges at idle and in park, i changed the IAC control but it didn't fix the problem. could the problem be the map sensor


Could be, but check the pcv valve and hose first, they have problems. Actually, just change the pcv valve it's maintenance and cheap.

Mar 19, 2010 | 1996 Honda Accord

2 Answers

I got this mini van and it will start and run great but no matter how long it runs u have to let it set for 20 or 30 minutes before it will restart anyone have a solution?


Have it scanned for codes, which you can do at an Autozone, or Pep Boys for free & see if any codes come up & start from there. If more help needed, get back to us with results of code scan. Easier & cheaper for everybody that way.

Sep 24, 2009 | 1998 Plymouth Grand Voyager

1 Answer

Got Tune Up, but failed smog because Check Engine light is on.


I take it your talking about "check engine" light. Have you tried disconnecting battery for a minute or so? If light comes back on, try cycling your key just to "On", off, on, off, on & then leave in "On" position (not start) & count flashes of check engine light. Will be 2 digits, for example: 3 flashes, pause, 3 more will be code 33. 2 flashes, pause then 5 flashes would be code 25. Write them down & lets see what you get,and let us know. code 55 means end of message.

Sep 11, 2009 | 1996 Plymouth Voyager

1 Answer

I have an 89 voyager that hesitates when applying gas at take off


these go from most likely to least likely

Priority Action Part Type Cause
1 Inspect Throttle Position Sensor Faulty or Incorrectly Connected Throttle Position Sensor.
2 Inspect Mass Air Flow Sensor Damaged, Loose, or Faulty Mass Air Flow Sensor or Circuit.
3 Inspect Choke Thermostat Stuck or Improperly Functioning Choke Thermostat.
4 Inspect Air Cleaner Tempature Sensor Damaged or Faulty Air Cleaner Tempature Sensor.
5 Inspect Fuel Filter Clogged or Dirty Fuel Filter.
6 Inspect PCV Valve Plugged or Damaged PCV Valve.
7 Inspect Carburetor Worn, Faulty or Damaged Carburetor.
8 Inspect Fuel Injector Dirty or Worn Fuel Injectors.
9 Inspect Hose (PCV)at Clogged or Collapsed PCV Hoses.
10 Inspect Fuel Pump Faulty Fuel Pump.
11 Inspect Fuel Pump Low Fuel Pressure.

Aug 31, 2009 | 1989 Plymouth Voyager

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