Oil Pressure suddenly cuts out to 0, engine makes tapping noise

Asked by Mar 10, 2015 at 02:53 PM about the 2000 Chevrolet Tahoe LT 4WD

Question type: Maintenance & Repair

196,000 miles.  The oil pressure suddenly drops out, usually while at idle, and it
makes tapping noise.  Then, just as quickly, it pops back up to normal and all is fine.  
Giving it some gas seems to be the "fix".  The idle rpm is normal when it happens.  It
lasts a few seconds, maybe 20 or 30 at most.  It would appear to be that the pressure
is actually cutting out completely and then somehow fixing itself.  I can't understand
what would cause it to just shut off pressure and then just as fast come back.

2 Answers

I was thinking, maybe the oil level is falling and the pickup tube is sucking air, but how would increasing rpm fix that? And the low level light does work and it is not on.

18,515

First, check your oil. If that's fine then you have a mechanical issue. Best case is you just need an oil pump

Your Answer

Add photo

Related Questions

Search Chevrolet Tahoe Questions

Chevrolet Tahoe Experts

#1 Tom Demyan
Tom Demyan
Reputation 810
#2 Rowefast
Rowefast
Reputation 800
#3 Lucia Taylor
Lucia Taylor
Reputation 490
View All

Related Models For Sale

Used GMC Yukon
381 Great Deals out of 19,298 listings starting at $2,000
Used Chevrolet Suburban
301 Great Deals out of 19,514 listings starting at $1,800
Used Cadillac Escalade
194 Great Deals out of 10,972 listings starting at $3,200
Used Chevrolet Silverado 1500
1,772 Great Deals out of 181,204 listings starting at $250
Used Ford Expedition
441 Great Deals out of 24,828 listings starting at $1,150
Used Ford Explorer
928 Great Deals out of 70,256 listings starting at $997
Used Ford F-150
2,059 Great Deals out of 207,350 listings starting at $1,499
Used Toyota 4Runner
261 Great Deals out of 19,022 listings starting at $2,500
Used GMC Yukon XL
211 Great Deals out of 12,378 listings starting at $2,999
Used Jeep Grand Cherokee
1,022 Great Deals out of 72,256 listings starting at $700
Used Dodge Durango
269 Great Deals out of 21,292 listings starting at $1,499
Used GMC Sierra 1500
761 Great Deals out of 69,133 listings starting at $1,850

Used Cars For Sale

2017 Chevrolet Tahoe LT 4WD For Sale
13 Great Deals out of 4,741 listings starting at $43,983
2016 Chevrolet Tahoe LT 4WD For Sale
16 Great Deals out of 717 listings starting at $37,900
2015 Chevrolet Tahoe LT 4WD For Sale
11 Great Deals out of 613 listings starting at $29,855
2014 Chevrolet Tahoe LT 4WD For Sale
7 Great Deals out of 203 listings starting at $21,997
2013 Chevrolet Tahoe LT 4WD For Sale
11 Great Deals out of 412 listings starting at $16,800

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.