why does my oil gauge go up and down when i am at idle and the truck keeps on eating oil

Asked by Jan 14, 2013 at 03:07 AM about the 1985 Chevrolet C/K 20

Question type: Maintenance & Repair

1 Answer

Oil pump and/or oil pressure sending unit as for the gauge fluctuating and if you are blowing out smoke, white/blueish smoke..piston ring(s).maybe

Your Answer

Add photo

Related Questions

  • Oil pressure loss 4 answers

    I have a 1980 Chevrolet k20, with a 1975 . 7.4L , 454ci, . Originally it ran at idle with oil pressure at 40psi and would go up to 50psi, a few days after an oil change it started only having 25p...

    Chevrolet C/K 20

    -

    Maintenance & Repair

  • 82 350 spiiting 10 answers

    Recently bought an 82 k20 350 with "carberator" problems. Rebuilt the carb, replaced the plugs, set the timing. Cranks right over and idles like a champ but runs like absolute junk. At a lose at th...

    1982 Chevrolet C/K 20

    -

    Maintenance & Repair

  • my oil pressure gauge drops to 0 while driving 58 answers

    While driving my oil pressure gauge randomly drops down to 0. I have to pull over and shut off my truck for a minute or so and restart it. The gauge goes up a little or some times back to normal. How...

    2003 Chevrolet Silverado 1500 Ext Cab Short Bed 4WD

    -

    Maintenance & Repair

  • Why does my 2014 Silverado oil gauge fluctuate At idle it stays at 40. While at a constant speed, 55 MPH it will start going from 40 psi to 60 psi? 1 answer

    No other vehicle I drive does this. Only has 3,600 miles on it. Has had its first oil change 300 miles ago.

    2014 Chevrolet Silverado 1500 Work Truck 2WT

    -

    Maintenance & Repair

  • Why does my oil pressure bottom out when there is no leak? 28 answers

    I have a 2001 Chevrolet Suburban 1500 with 232k miles. Although it burns a little oil, it does not leak. The oil pressure regularly fluctuates and bottoms out when idling. But, when the RPMs go up,...

    2001 Chevrolet Suburban LT 1500

    -

    Maintenance & Repair

Search Chevrolet C/K 20 Questions

Chevrolet C/K 20 Experts

#1 FordNut
FordNut
Reputation 110
#2 F_O_R
F_O_R
Reputation 100
#3 kayzen
kayzen
Reputation 80
View All

Related Models For Sale

Used Chevrolet C/K 10
272 listings starting at $19,900
Used Ford F-150
2,690 Great Deals out of 212,354 listings starting at $1,000
Used Ford F-250
513 listings starting at $3,500
Used Ford Mustang
362 Great Deals out of 44,486 listings starting at $1,000
Used Dodge RAM 150
31 listings
Used Chevrolet Corvette
180 Great Deals out of 20,807 listings starting at $3,995
Used Chevrolet Camaro
282 Great Deals out of 38,299 listings starting at $1,250
Used Chevrolet Suburban
459 Great Deals out of 18,780 listings starting at $1,399