low oil pressure

Asked by kirbycase Dec 15, 2019 at 10:34 PM about the 2002 Chevrolet Trailblazer LT 4WD

Question type: Maintenance & Repair

pressure goes to 0, check gauges, stop engine warning indicators rough idle and low rpm's happen. what is wrong?

4 Answers
40

Thor308 answered 4 years ago

Your Oil pump is ran off your timing chain on that. I believe. So I would suggest changing them. You might be able to adjust the tensioner on it though

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11,555

FJ4072 answered 4 years ago

Kirby, likely your oil pressure sensor is toast. Happens a lot, and is common, especially on the I6 engine. Right above the oil filter is your sensor. If it has oil on it, it's bad. Even if it doesn't, it's cheap and easy to replace, it's the 1st thing you should do.

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Alberto answered about a year ago

Don't use the FRAM filter, and you'll be fine. I had a problem with low oil pressure. I changed everything I could. Eventually the problem was solved only when I replaced the FRAM filter with one from ACDelco.

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