Hummer H3 For the Hummer driver who wants the rugged look and off road capabilities of the Hummer, but in a smaller size and with a more fuel economy friendly engine.

Low oil preassure light

Old Sep 26, 2023 | 04:19 PM
  #1  
Rasber's Avatar
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Default Low oil preassure light

Hello - I have a 2007 H3 with a 5cyl and what has been happening is when the engine has been running and is at normal temperature, when I come to a stop and it is idling the low preassure light goes on ... as soon as I step on the gas it goes out. I changed the oil preassure sensor behind the oil filter hoping that would correct it but no luck. Has anyone else come across this and been able correct it?
 
Old Sep 26, 2023 | 05:21 PM
  #2  
hummerz's Avatar
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Originally Posted by Rasber
Hello - I have a 2007 H3 with a 5cyl and what has been happening is when the engine has been running and is at normal temperature, when I come to a stop and it is idling the low preassure light goes on ... as soon as I step on the gas it goes out. I changed the oil preassure sensor behind the oil filter hoping that would correct it but no luck. Has anyone else come across this and been able correct it?
My '07 3 never showed a oil "preassure" light! Check your engine oil level/condition.




 
Old Sep 27, 2023 | 09:49 AM
  #3  
Doc Olds's Avatar
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Welcome to HF. Your thread was moved because the New Member Section is strictly for introductions, not tech questions.

You should also use the search feature here, there are many old and not so old threads on this topic. If you do that, please do NOT post in those old threads just because you found it. Keep your comments here in your new Thread and enjoy.

The next question for you. What Oil and Filter are you using now? Was the Oil recently changed just before the oil light issue?
 
Old Oct 17, 2023 | 04:45 AM
  #4  
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Default Thanks for the reply

I ran some synthetic motor medic through it for an engine flush and changed the oil with rotella t6. The light has not been on since...my plan is to run it for 1000 miles and change the oil again to see how dirty it comes out. My mechanic was ready to throw the towel in on it...I may be throwing the towel in on them. I have 168,000 on it now I hope to get over 300,000.
 
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