Question about 2001 GMC Jimmy

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My 2001 jimmy oil pressure gage kepps going up and down

When i turn right it goes down and usally comes back up with aturn to left and pushing down on the gas

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  • 66 Answers

Could be a loose wire on the sending unit.

Posted on Jan 17, 2013

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  • 2 Answers

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: 2000 gmc jimmy stalls when gas tank is on half or less

I had a problem just like that and what it was is that there is a fuel pick up on the fuel pump inside the gas tank. This came off the pump at some point and when it did the engine would stall out when ever I turned left or when I was on the breaks coming to a stop light, and this only happened if I had less than about 6 gallons of gas. I removed the tank and pulled out the pump and found the problem, I replaced it and have not had a problem since. Just to let you know the car was a 1992 Acura Vigor, but it sound like the same problem. I hope this helps.

Posted on Feb 05, 2009

jmassengill
  • 345 Answers

SOURCE: OIL PRESSURE LIGHT COMES ON AND PRESSURE GOES TO 0 ON GAUGE

Any time the oil pressure is 0 you take a chance of locking up the motor. The only way to know for sure is to put a pressure gauge in the oil pressure sending unit port on the engine and see what the pressure really is. At that point you will either have the peace of mind in the knowledge that the sending unit is really bad and needs replacement or you can then contact a repair shop and tell them what your testing has revealed. I wouldn't drive or run your truck while the oil pressure is at zero.

Good luck

Posted on Nov 10, 2008

  • 49 Answers

SOURCE: right turn signal stays on will not flash left works.2001 jimmy

its your blinker box.. all major lights run through there

Posted on Aug 04, 2009

SOURCE: I have a 2004 GMC Yukon XL. The oil pressure

Most likely the cluster is bad or the wires at the connector have issues.

Posted on Oct 31, 2009

  • 1 Answer

SOURCE: My oil pressure gage just drops to 0!!!

My Envoy does the same thing..Had the sender replaced last winter when it was doing it. Went all summer with perfect pressure and as soon as the outside temp hit <30 degrees the pressure is dropping again..Curious as to why every time the temp gets below 30 I keep having this issue. If I shut the car off and turn it right back on it jumps to normal stays for a while then drops, shut it off and right back on (no wait) goes back to normal...Only when cold outside.... Confused!

Posted on Jan 07, 2010

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You may have a bad oil pressure sending unit. The kit they are talking about, I believe is a rebuild kit, not the entire pump. Usally the kit consists of a couple rotors and seals. You would take the old parts out the oil pump housing, and install the new ones. But you want to make sure that all the clearances are within specs. I'd try the sending unit first.

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If CHECK ENGINE light (2) is on, check engine oil pressure gage (3) and water temperature gage (4). If both indicate normal, proceed with mission and then notify Unit Maintenance. If either one does not indicate normal, stop engine immediately and notify Unit Maintenance


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That's normal in most cases, depending how low it goes. 40 psi approx when driving, 20 psi approx when idling ?

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