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P0108 code 2004 2.2 ecotec what is it

Car idles very rough have changed plugs, ignition module, coils and map sensor

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6ya6ya
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Posted on Jan 02, 2017

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daves944
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SOURCE: 2003 grand am 3.4 code p0304

More likely a plugged injector as that code is specific to cylinder # 3 These engines are also very prone to failed intake manifold gaskets and stuck valve lifters. I think I'd start with a compression test, if that's good, go injector. If the compression is bad, you've got a can of worms. Hold off on the O2, I don't think it's related.

Posted on Mar 14, 2009

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  • 4088 Answers

SOURCE: We have a 2000 Pontiac Grand Am Se. The car

If this car uses an electrically heated O2 sensor, the heater portion may be bad. If the car has a lot of miles, the O2 sensor may be getting bad also.

Posted on Aug 17, 2009

peterrance19
  • 399 Answers

SOURCE: I have replaced coils, plugs,wires, o-2 sensors,

hi dispite all your hard work the error says you have a missfire /random cylinders hope this helps if so give the answer a rating please thanks pete

Posted on Nov 24, 2009

  • 432 Answers

SOURCE: I have a 97 pontiac sunfire 2.4l it has no power

If the liquid smells like antifreeze its a blown headgasket or cracked head, if it smells like gas it could even be a stuck injector or a bad fuel pressure regulator. I would like to say it is uncommon, but its not that uncommon for a quad motor to have a headgasket issue sometime.

Posted on Jul 27, 2010

  • 1565 Answers

SOURCE: idles rough. codes p0172 and p0300. changed spark

http://www.sparkys-answers.com/2008/11/2001-pontiac-grand-am-codes-p0105-p0172.html

Posted on Jan 18, 2011

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My 2005 300 has code p0108


Check out this website: http://engine-codes.com/p0108_chrysler.html
'P0108 - Manifold Absolute Pressure/Barometric Pressure Circuit High Input (possible Map Sensor)
Possible Causes:
Faulty Manifold Absolute Pressure sensor
- Manifold Absolute Pressure harness is open or shorted
- Manifold Absolute Pressure sensor circuit poor electrical connection
- Faulty Engine Control Module (ECM)
Possible Symptoms:
Engine Light ON (or Service Engine Soon Warning Light)
- Engine rough idle
- Engine hesitation"

Apr 17, 2015 | Cars & Trucks

1 Answer

My 1993 riviera idles rough after new plugs and wiresis this the maf sensor going bad


you need to have the car scann the ecu and see whtat code show posible you have problem whit coil pack or sark wires or ignition module

Oct 20, 2014 | 1993 Buick Riviera

1 Answer

Obd1 codes


could be ignition module or a coil or crank sensor or cam sensor
hope it helps

Mar 27, 2014 | 1991 Pontiac Firebird

1 Answer

D0108 fault code


I will assume this is a "P" code.

P0108 FORD - Manifold Absolute Pressure/Barometric Pressure Sensor High Inputxicon.jpghttp://engine-codes.com/p0108_ford.htmlForum CodePossible causes- Manifold Absolute Pressure harness is open or shorted
- Manifold Absolute Pressure sensor poor electrical circuit connector
- Faulty Manifold Absolute Pressure sensor
- Faulty Engine Control Module (ECM) When is the code detected?The Engine Control Module (ECM) has detected a performance fault with the anifold Absolute Pressure (MAP) sensorSymptoms- Engine Light ON (or Service Engine Soon Warning Light)
- Engine rough idle
- Engine hesitation

Read more: http://engine-codes.com/p0108_ford.html#ixzz21lGYXzRP

Jul 26, 2012 | 2003 Lincoln Aviator

2 Answers

Po108 service code


Hi,
OBD II Fault Code
  • OBD II P0108
Fault Code Definition
The Manifold Absolute Pressure Sensor/Barometric Pressure Sensor measures the rise and fall of the air pressure inside the Intake Manifold. This provides critical data needed for the Power Train Control Module (PCM) to control the Air Fuel Ratio, the Ignition Spark Timing, and many components of the Emissions Control Systems. The Manifold Absolute Pressure/Barometric Pressure Sensor converts the Intake Manifold air pressure into a voltage that is high when the Intake Manifold air pressure is high and low when the Intake Manifold air pressure drops to a vacuum. The P0108 code indicates a high voltage input from the Manifold Absolute Pressure Sensor/Barometric Pressure Sensor to the Power Train Control Module.
Symptoms
  • Check Engine Light will illuminate
  • In many cases, no abnormal symptoms may be noticed
  • In some cases, the engine may be hard starting and/or get poor fuel economy
  • In some cases, noticeably poor engine performance may occur
Common Problems That Trigger the P0108 Code
  • Manifold Absolute Pressure Sensor/Barometric Pressure Sensor is defective
  • Intake Manifold vacuum leaks
  • Faulty or corroded Manifold Absolute Pressure Sensor/Barometric Pressure wiring or connections
Common Misdiagnoses
  • Manifold Absolute Pressure Sensor/Barometric Pressure Sensor is replaced when the real cause is an Intake Manifold vacuum leak
  • Manifold Absolute Pressure Sensor/Barometric Pressure Sensor is replaced when the real cause is a stuck-open EGR Valve
  • Manifold Absolute Pressure Sensor/Barometric Pressure Sensor is replaced when the real problem is a defective Idle Air Control Motor, which causes a very low engine idle

Jan 26, 2011 | Mazda MPV Cars & Trucks

1 Answer

My 2004 forenza start good but when i step on gas it dont have power even shut off the intake manifold is dirty in the inside and the scanner give me code p0108 . PLEASE HELP!!!


P0108 Manifold Absolute Pressure/Barometric Pressure Circuit High Input

What does that mean? The MAP (Manifold Absolute Pressure) sensor measures engine manifold negative air pressure. It's usually a three wire sensor: a ground wire, a 5 volt reference wire from the PCM (Powertrain Control Module) to the MAP sensor, and a signal wire that informs the PCM of the MAP sensor voltage reading as it changes. The higher the engine vacuum, the lower the voltage reading. The voltage should range between about 1 volt (at idle) to about 5 volts (WOT wide open throttle).
If the PCM sees the voltage reading from the MAP sensor is greater than 5 Volts, or if the voltage reading is higher than what the PCM considers normal under certain circumstances, a P0108 DTC will set.

Symptoms Symptoms of a P0108 DTC code may include:
  • MIL (Malfunction Indicator Lamp) will likely be on
  • Engine may run poorly
  • Engine may not run at all
  • Fuel mileage may decrease
  • Presence of black smoke at exhaust
Causes Potential causes of a P0108 code:
  • Bad MAP sensor
  • Leak in vacuum supply line to MAP sensor
  • Engine vacuum leak
  • Short on signal wire to PCM
  • Short on reference voltage wire from PCM
  • Open in ground circuit to MAP
  • Worn engine causing low vacuum
Possible Solutions A good way to diagnose if the MAP sensor is to blame would be to compare the KOEO (key on engine off) MAP sensor reading on a scan tool with the Barometric pressure reading. They should be the same because they both measure atmospheric pressure.
If the MAP reading is greater than 0.5 volt off of the BARO reading, then replacing the MAP sensor would likely fix the problem. Otherwise, start the engine and observe the MAP reading at idle. It should normally be about 1.5 volts (varies according to altitude).
a. If it is, the problem is likely intermittent. Check all the vacuum hoses for damage and replace as necessary. You can also try wiggle testing the harness and connector to reproduce the problem.
b. If the scan tool MAP reading is more than 4.5 volts, check the actual engine vacuum reading with the engine running. If it is less than 15 or 16 in. Hg, then the PCM is probably not seeing enough vacuum (due to a worn engine, perhaps) for a given operating condition (which causes a higher than normal voltage signal to the PCM) and setting the code. Repair the engine vacuum problem and retest.
c. But, if the actual engine vacuum reading is 16 in. Hg or more, then unplug the MAP sensor. The scan tool MAP reading should indicate that there is no voltage present. Check that the ground from the PCM is intact and also that the MAP sensor connector and terminals are tight. If the connection is good, then replace the map sensor.
d. However if, with KOEO, & the MAP sensor unplugged, the scan tool shows a voltage reading, then there may be a short in the harness to the MAP sensor. Turn the ignition off. At the PCM unplug connector and remove the MAP signal wire from the connector. Re-attach the PCM connector and see if with KOEO, the scan tool MAP reading shows voltage. If it still does, replace the PCM. If not, check for voltage on the signal wire you just removed from the PCM. If there is voltage on the signal wire, find the short in the harness and repair.

Dec 22, 2010 | 2004 Suzuki Forenza

1 Answer

I have a 2004 Chevy Malibu. Bogs down and stalls with acceleration. Check engine light flashes. Idols fine. Changed the MAP as it had a P0101 code along with the P0300. Changed the plugs 3 weeks ago and...


make sure you have ngk or ac delco iridium plugs installed. Also common problem on the 2.2L ecotec is the cat plugging. Easy check is to remove the front o2 sensor (very easy 22mm wrench) and start the car and rev it. If it revs freely now and does not bog the cat is plugged. They are covered fed. emissions warranty 8yr 80k, all gm dealers stock the cats for the 2.2 ecotec.

Mar 14, 2009 | 2004 Chevrolet Malibu

1 Answer

Vehicle is stalling and back firing


P0108 is MAP sensor
P0351 is ignition coil A cicuit malfunction

Mar 03, 2009 | 1997 Jeep Grand Cherokee

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