Question about 2006 Hummer H2

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H2 HUMMER MAXIMUM SPEED 80KM/H CANT GO BEYOND

HAD A MISFIRE ON CYLINDER 3 AND 2 WHICH WAS SOLVED BECAUSE OF LOSE CONNECTOR.

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  • Anonymous Apr 13, 2009

    i have the same problem in my Opel Astra. what could be the reason for slowness

  • Paul Huckle
    Paul Huckle May 11, 2010

    Hello

    Have you have the codes cleared (P0303 & P0302) as this will slow you down



    Regards Paul

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  • 12 Answers

Check the fuel bomb.

Posted on Sep 09, 2009

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1 Answer

When I connected diagnostic/testers to the OBD-II connector on my 2007 Hummer H2 SUV, they did not work at all, does anyone know why ? What are the exact pinout of this connector on Hummer H2 ?


Data Link Connector (DLC) Pin
Wire Color
Circuit No.
Function
1
--
--
Not Used
2
PU
1132
Class 2 Serial Data
3
--
--
Not Used
4
BK
1050
Ground
5
BK/WH
1851
Ground
6-15
--
--
Not Used
16
OG
640
Battery Positive Voltage

Dec 26, 2014 | 2007 Hummer H2 SUV

1 Answer

MY H2 REDUCE POWER


My hummer H2 2003 did the same and I checked the coolant it was low.Refill the coolant and start the vehicle,if problem of reduced power persists check the thermostat if its not faulty.Hoping this will solve your reduced poweproblem

Sep 26, 2014 | 2003 Hummer H2

2 Answers

I have a 2003 Hummer H2 the air has been working great. The fan quit blowing out of the blue. I can hear the compressor kicking on but not getting any air flow. I checked the fuse that says A/C bout cant...


The fan motor is down on the pass side. follow the 2 wires that come off the motor to the heater fan resistor. If you can unplug that it. Most likely the connector will be burnt and so will the resistor. Replace connector and resistor.

Aug 28, 2013 | 2002 Dodge Dakota Club Cab

1 Answer

My H2 Hummer had a computet code P003 misfire on cylinder 3.I switched the spark plug wires around now Im getting a computer code P001 multiple misfires


check engine control fuse and then switch the coil packs around again. Rescan, and see what you get. Then switch to different coils again and rescan.
Mine was a combination of a blown engine control fuse and one bad coil.
My friend had the same, but it was 2 bad plugs and one bad coil.

Jan 20, 2013 | 2005 Hummer H2

1 Answer

How to remove rear door panel on h2


Its not very hard,check the 3 help links provided below regarding this:----

http://technoanswers.blogspot.in/2012/07/hummer-h2-door-panel-removal.html


--------------
http://www.howtorepairguide.com/2012/07/hummer-h2-how-to-remove-front-door.html


------------

http://schematicsdiagram.blogspot.in/2012/07/2009-hummer-h2-door-panel-removal.html

----------
All the 3 help links will give you complete step by step procedure to remove door panels.

Thanks.

Jun 05, 2012 | 2004 Hummer H2

2 Answers

Engine system too lean (bank 1 , bank 2 ) the engine is 6.0 L Hummer 2003 some times random/Multiple Cylinder Misfire is detected


Usualy this happens when you have vacuum leak after air flow meter , bad flow meter or temperature sensor.Actually for this problem I would take car to mechanic shop.

Apr 18, 2010 | 2003 Hummer H2

2 Answers

My 2003 H2 engine light flashes but no trouble code.


When the light flashes it means you have a catalytic damaging misfire happening.. Most likely a coil or spark plug issue but could be something else. Get it fixed ASAP because if you toast your cat its going to get expensive

Aug 10, 2009 | 2003 Hummer H2

2 Answers

Top speed of h2 hummer


it's a heavy car, so the H2 does 0-60 in 8.2 seconds.
and Max speed is 100 Mph

Jun 06, 2009 | 2003 Hummer H2

1 Answer

Car loses power


When the check engine light is flashing that indicates an engine misfire, which is catalyst damaging. Because you said that it generally only happens up a long hill or at higher speed, and it doesnt happen all of the time, most likely you are in need of a full tune up.

Dec 11, 2008 | 2003 Hummer H2

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