Question about 1994 Suzuki Sidekick

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Does valve guide oil leak effect ecu - 1994 Suzuki Sidekick

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Really !!!

The valve guides are in the cylinder heads of the motor

The ECU is a solid state electronic module in the wiring

There is no monitoring of oil leaks

Posted on Nov 28, 2012

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My 2003 town&country is smokin thru the muffler


white ,gray or black smoke .white will be antifreeze blue is OIL and black is too much fuel either gas or diesel

Sep 03, 2015 | Cars & Trucks

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My engine management light keeps coming on on my Rav4 (2001) I have had 2 sensors changed - and a new cat - but the fault codes keep saying it is the cat - please help!


The ECU is reporting the cat error code because the O2 sensor(s) outputs are telling it so. This MIGHT be the O2 sensor(s). You say two sensors have been changed, If these were the O2 sensors, then there is another engine issue to fixed.

The usual reason is that the engine is passing excess hydrocarbons into the exhaust, typically because its burning oil due to exhaust valve guide wear or/and worn valve stem seals. For a 2001, you've probably done around 200,000 km, so valve guide wear is likely. A head recondition is the only cure if this is the case. If you see blue smoke on starting, that's burning oil.

Related issue is worn piston rings: also causes excessive oil consumption.

Another problem is leaking (ie dirty) injectors. Most garages can clean them.

Another problem is the engine is running too lean. This can be caused by a dirty air cleaner or any number of other issues.

SD

Sep 16, 2011 | 2004 Toyota RAV4

1 Answer

1999 Suzuki Grand Vitara just had the engine replaced, but it is burning oil out the tailpipe the warranty company is saying it is the value covers, is this true


Valve covers leaking oil OUT the tail pipe, no way in hell! Valve covers can leak oil onto the exhaust manifold, but there is no way its going to get into the exhaust from there and out the tail pipe.

Bad valve guides and/or valve guide seals would put oil from the top of the head and into the cylinders. That is a far bigger job than just replacing valve cover gaskets.

Don't let the warranty company give you any more of that kind of BS.

Sep 04, 2011 | 1999 Suzuki Grand Vitara

1 Answer

Possible source of oil leak. Does not leak when not running. Checked drain plug and filter already. Any other source of leak? Not sure where located.


ENGINE BURNING OIL.BAD VALVE SEALS OR WORN VALVE GUIDES WILL CAUSE ENGINE TO BURN OIL.CHECK SPARK PLUG SEE IF ITS OIL FOULED.

Aug 27, 2011 | Chevrolet Silverado 1500 Cars & Trucks

2 Answers

My lexus ls 400 model 1991 when start gray smoke ocurr for few second then disappear


the smoke is from engine oil, it is caused by leaking valve seals , after the engine is shut down for the day oil is leaking past the valve seals and getting into the cylinders then when you start up the engine the oil is burned off, this is a common problem, and there is a couple of things you can do to help the problem with out taking the engine apart and replacing the seals, try this first at your next oil change add some Restore to the engine oil it will soften the seals and give them a little more life, if this does not cure the problem after a few 100 miles then you will need to have the seals replaced, and this is a costly repair, but you could just live with the smoke it wont hurt any thing just keep an eye on the oil

May 17, 2011 | 1991 Lexus LS 400

1 Answer

Whats normal oil consumpstion for a 2009 f150 4.6 3 valve


SHOULD NOT HAVE OIL CONSUMPTION. IF YES YOUR ENGINE LEAKING OIL OR BURNING OIL IF YOU ADDING OIL TO ENGINE EVERY WEEK.IF LOSING OIL CHECK FOR LEAKA AT THE FRONT CRANKSHAFT TIMING COVER SEAL OR REAR MAIN OIL SEAL.CHECK FOR LEAKING OIL FILTER.ENGINE CAB BURN OIL THROUGH WORN VALVE GUIDES AND VALVE SEALS.WORN PISTON RINNGS.IF YOU HAVE HIGH MILEAGE ENGINE IT WILL START USING OIL.

Mar 26, 2011 | 2005 Ford F-150

2 Answers

Have a oil leak around engine


Have your valve seals checked, Mits is back on valve seals leaking and burning oil.

Jul 06, 2010 | 1997 Mitsubishi Galant

1 Answer

Oil cosumption


OIL CONSUMPTION COULD BE CAUSE BY WORN VALVE SEALS AND VALVE GUIDES WORN PISTON RINGS AND LEAKING OIL PAN GASKET.LEAKING FRONT AND REAR OIL SEALS.

Jun 07, 2010 | 2006 Dodge Caravan

1 Answer

Nissan Xterra is burning oil. I drove 1,000 miles in two days and it burnt 3 quarts of oil, but there is no leak underneath the truck. Does anybody have any idea?


your pvc valve not working.or you have leaking valve seals or worn valve guides wornrings .and your oil return holes get stop up oil.

Jun 08, 2009 | 2001 Nissan Xterra

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