Question about 1993 Toyota Previa
Getting oil coming out from around the spark plugs but it is not coming out of the cylinders
Valve cover gasket set it has o-ring type gasket around tube built into vavle covers fel-pro makes a good kit
Posted on Oct 25, 2012
Testimonial: "thanks mate. noticed two have it and two dont and the oil is coming out from the two that dont "
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Posted on Jan 02, 2017
Locate the spark plug cover on the engine.On some Toyota Tacoma engines, the cover is across the top of the engine. On others, it is along the side 4 cyl. Remove the cover to reveal the ignition coils and spark plugs wires. The spark plug wires are plugged directly into the engine and the ignition coils are in the tip of the spark plug wire.
Remove the coil and wire from the spark plug. Twist and pull the plug out of the engine. Remove the spark plug from the cylinder well with a socket extender and socket wrench. Turn the wrench to the left to unscrew the spark plug from the engine.
Discard the old spark plug and apply a coat of anti-seize compound to the threads of the new spark plug.
Insert the new spark plug into the socket. Use the socket and extension to screw the spark plug into place.
Return the ignition coils and spark plug wires to the engine and turn it to lock the plug in place. Repeat the entire the process with the remaining spark plugs.
Replace the spark plug cover when all of the spark plugs are replaced.
Good luck and hope this helps and The spark plug tension may range between 11 and 15 foot pounds, depending on the size of the spark plug. The correct tension is indicated on the spark plug's packaging.
Posted on Apr 19, 2009
SOURCE: oil in the spark plug
You probably have a leaking valve cover gasket causing the leaking oil to collect in the spark plug tubes.
The miss fire is probably caused by the HT in the plug lead shorting through the oil and causing a weak spark.
Clean all the oil out and track down the leak.
Posted on Aug 05, 2008
may be oil feed to cylinder head replace gasket
Posted on Apr 20, 2009
The 7MGE has 2 separate valve covers/gaskets with 8 screws holding each cover that will loosen over time.
Find the phillips screws holding on the covers and retighten snugly by hand do not overtighten!
Pull plug boots/wires by the boot not the wire and use paper towels or rags on a long screwdriver etc to absorb the oil from the wells.
Carefully clean plug boots with spray brake cleaner (avoid spraying anything but the boot) and let dry.
Apply 100% silicone grease to inner boot before reinstalling to allow future removal without damage.
If your engine is particularly dirty you may need to remove the covers first and clean all mating surfaces then reinstall.
Posted on Apr 23, 2009
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