Question about 1985 Chevrolet C1500

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Blue smoke every other day with cranking. Installed new valve seals. Would the exhause re-circulation valve that mounts to the emissions pump malfunction cause intermittent smoking?

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Check Transmission Modular Valve, A blown diaphram will cause ATF to be sucked out of transmission into intake Manifold.

Posted on Sep 01, 2008

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What does blue smoke mean


Burning oil. Could be a couple of things. Possible your valve guide seals are warn out. If its blue smoke mostly when you first start the car, its likely valve guide seals. If its continuously smoking blue, its more than likely a broken or warn out piston ring. If its just every so slightly blue in tent, it might be worth a try to replace your PCV valve first. When the PCV valve gets completely gummed up, the pressure inside your valve covers has no way to vent other than forcing its way through the valves into the cylinders often times taking oil with it. Since PCV's usually only run out about $10 its worth a shot. Other wise, you've got a decent overhaul ahead of you for either piston rings or valve seals...on a 12 year old car most folks would either choose to scrap it, or live with the blue smoke while monitoring oil levels and watching for fouled plugs. Hope that helps and good luck!!

Jun 17, 2014 | 2002 Nissan Altima

1 Answer

94z71 smokes when first crank or idolin


Sounds like valve stem seals or valve guides. The smoke would be blue, also going down hill against compression... Upon acceleration, you would see a puff of blue smoke.

Mar 15, 2011 | Chevrolet 1500 Cars & Trucks

2 Answers

Check Engine lite comes on Code PO440


16824/P0440/001088 - EVAP Emission Control Sys: Malfunction Possible Symptoms
  • Malfunction Indicator Light (MIL) active
Possible Causes
  • Evaporative Emission (EVAP) System leaking
  • Evaporative Emission (EVAP) Canister Purge Regulator Valve (N80) faulty
  • Evaporative Emission (EVAP) Canister Purge Solenoid Valve (N115) faulty
Possible Solutions
  • Check Evaporative Emission (EVAP) System Sealing
  • Check Evaporative Emission (EVAP) Canister Purge Regulator Valve (N80)
  • Check Evaporative Emission (EVAP) Canister Purge Solenoid Valve (N115)

Jun 17, 2010 | 2000 Volkswagen Beetle

2 Answers

CAR BLOWING BLUE SMOKE OUT TAIL PIPE


Oil consumption.

Bad rings,valve guides

May 15, 2010 | 2004 Nissan Altima

2 Answers

I have a 2003 ford expedition it smokes sometimes when i crank it what could be the cause of this the smoke is blue


blue smoke is oil possible worn or damaged component in head-usual problem is valve seal or worn valve guides -pull and inspect the spark plugs look for which one[s] is fouled or oil soaked that will narrow down where ur problem is

Mar 09, 2010 | 2003 Ford Expedition

2 Answers

My 2002 jetta blows blue smoke a lot of blue smoke out of tail pipe but not all the time.????


valve seals are leaking oil or the valve guides are worn allowing oil to slip past the seals.

Aug 26, 2009 | 2002 Volkswagen Jetta TDI

1 Answer

Won't idle properly, smokes, does not shift right


Black smoke is usually too much fuel to the engine. Check main computer that controls fuel injection and timing.
Blue smoke is usually oil getting sucked past worn piston rings or valve seals.
White smoke = water getting into cylinders, bad head or intake manafold gasket, or cracked cylinder head or engine block.

Aug 04, 2009 | 2002 Jeep Liberty

1 Answer

Pwr steering pump failure GM truck


check to see if truck has a power steering pump cooler try to bypass cooler sounds like it has a blockage in the cooler not allowing fuild to circulate should fix problem

Nov 21, 2008 | 1993 Chevrolet K1500

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