![2006 hummer h3 2006 hummer h3](https://ccmarketplace.azureedge.net/cc-temp/listing/116/2756/15291571-2006-hummer-h3-std.jpg)
You should also feel the vehicle is down on power as well. that would cause compression to not be as high as it should, you’re going to get P0301.
#2006 hummer h3 cracked#
Low Compression– If you have a leaking head gasket, bent valve, cracked head, etc.If the ECU is not getting the right signal from these sensors, the vehicles timing is not going to sync up and it’ll misfire. Cam or Crank Sensors– This one is very unlikely, but it does happen.
#2006 hummer h3 how to#
Popular Mechanics: How to find a vacuum leak. It’s easy (and kind of fun) to chase one down. This will cause the cylinders to misfire and it’ll throw the P0301 if the leak is around that specific cylinder on the intake manifold.
![2006 hummer h3 2006 hummer h3](https://cdn.ebizautos.media/used-2006-hummer-h3-4dr4wdsuv-13362-18961666-1-640.jpg)
They are presented somewhat in order from most to least likely to be causing the code: Here are the most common problems that will throw the code.
#2006 hummer h3 code#
There are quite a few things that can cause the P0301 trouble code to trigger the Hummer H3.
![2006 hummer h3 2006 hummer h3](https://barrettjacksoncdn.azureedge.net/staging/carlist/items/Fullsize/Cars/75088/75088_Front_3-4_Web.jpg)
The one nice thing about P0301 is that it is a cylinder specific misfire code. P0301 should be considered a cause for concern, and can be a threat to the drivability your H3. P0301 is a common OBDII trouble code that appears in the Hummer H3.