Question about 1997 Dodge Neon

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Why is spark plug covered in oil on only one cylinder

I pulled spark plugs to check them out and one of them was covered all over in oil

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  • 245 Answers

It may be bad plug not firing or the weir is faulty.

Posted on Feb 15, 2012


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Posted on Jan 02, 2017

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SOURCE: spark plugs

Open the hood, look for the distributor, it will have 5 wires coming out of it, they will be about as thick as a pen, and most likely black. One wire goes to the coil, follow the other 4, they plug onto the 4 spark plugs. Let me know how you do. countrycurt0

Posted on Sep 10, 2008

  • 3 Answers

SOURCE: 99 5.2 durango :pulled codes for multipe missfire cylinder #5-7

Aloha We have just replaced all of what you have replaced, plus water pump, fuel pump, pcv valve and 02 sensor. Took it to mechanic today we had misfire on 1,2,6,7. Mechanic said that the 99 dodge is known for bad computers, he checked ours and works great turns out that it was the coil. Ours was jumping 1/4 inch and had a orange/yellow spark. it is supposed to have a 1 inch spark and be blue. This has solved our problems after 527 dollars later.
Check the coil!

Posted on Feb 26, 2009

  • 36 Answers

SOURCE: Spark Plugs

The oil on the spark plug usually comes from the valve cover seal or the spark plug tube. The valve cover seals to the tube and the tube seals to the head. The tube is usually a tight fit in to the head with a little sealant. The tubes can be purchased at the chrysler dealer or possibly at a local parts store. As for the red fluid,it is automatic transmission fliud . It is used in the manual transmission as well as the power steering system. You could have an axle seal leak, transmission shifter seal leak, power steering seal leak, depending on which side of the vehicle is wet.

Posted on Mar 11, 2009

  • 3854 Answers

SOURCE: Which spark plug is for the #2 cylinder on a 2001Dodge Caravan

2001 Dodge Caravan FWD
3.3 liter V-6 VIN "R"Cylinder # firewall, Passenger to drivers side, 1-3-5
Cylinder # radiator, Passenger to drivers side 2-4-6

Coil Block post # firewall, Passenger to drivers side 5-1-3
Coil Block post # radiator, Passenger to drivers side 2-4-6

Good luck

Posted on Nov 28, 2009

  • 110 Answers

SOURCE: Valve Cover Gasket

the oil was the cause of the misfire, the oil swells the rubber on the plug boots and interferes with the electrical connection from the wire to the plug. when you replace the gasket, remover the plug wires, marking which one went where, and use a spray electrical cleaner to remove the oil. make sure the rubber on the new wires isn't already swelled. before removing the plugs or valve cover, spray brake cleaner down in the holes and use compressed air or shop rags to get the hole shiny clean before removing plugs. remove plugs and clean them too. then reinstall plugs and remove valve cover. when replacing any gasket, use a razor blade on to clean the surfaces well. you can even spray a shop rag with brake clean and wipe it to make sure its clean. clean is important. reinstall cover with new gasket in place and torque bolts... be careful not to overdo it, they are small bolts and overtightening can flatten out gasket and cause more leaks. then just reinstall plug wires and off you go

Posted on Feb 20, 2010

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1 Answer

Spark plug in cylinder 1 not firing. Does anyone know the problem?

Yeah mate whilst that spark plug is out of the block plug it back into the spark plug lead and earth it to the body(make sure it's touching steel)Turn the key... the car should start but run rough if the spark plug is touching steel but NOT sparking then you have a coil problem.......

Mar 19, 2016 | Cars & Trucks

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V6 engine problem. Went to replace spark plugs... upon removal one side of engine spark plugs were in great shape, other side engine spark plugs were trashed.. what is problem?

oil leak in valve cover got gasget in side valve cover and if plug wires wear not on like thay got to be that well do it dont seal

Feb 19, 2015 | 2004 Hyundai Tiburon GT V6

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Have 95 tracker. Front cylinder has spark injector clicks when turn to on. pull injector wire runs same, pull plug wire runs same? what should i do next?

spark injector? no such An-i-mule.

the G16B (KV) engine, is it? has 4 spark plugs
and 4 fuel injectors.??
so you pulled what?
you have a dead cylinder, if you check the heat on the front
exhaust header tube, it will be cold or way colder ,using any pyro gun.
which engine,
see them here, ?

whats next that is easy its called a compression gauge.
i must guess engine, do the top valve cover on the engine shout
16 valves?
if yes, make sure the spark wells (deep pits) are not full of oil
or water. if full of oil, the last owner never check valve lash
at 60k miles and replace the valve cover gasket (set)
or if water someone used pressure washer on the engine (bad)

the full compression test is here.

Sep 24, 2014 | 1995 Geo Tracker

1 Answer

2001 Ford E-250 has excessive oil consumption with no visible leaks and has a p301 misfire code

Do you notice any blue smoke out the tailpipe?
The P0301 code means you have a misfire in cylinder 1. If I were to put these two symptoms together, I would guess that there is oil leaking into the cylinder, which is causing it to misfire. The oil then burns out the back.
If this is the case, it is probably because your spark plug tubes are leaking. Replacing the valve cover gasket or spark plug tube seals (some cars have a valve cover gasket that has the tube seals included) will solve the problem.

You can check for the leak by pulling the spark plug wire out of that cylinder and seeing if it is oily. If it is, there is your leak.

This is just a first guess. Let me know what you find.
Also, let me know about whether or not your tailpipe has blue-colored smoke coming out.

Apr 04, 2014 | 2002 Mercury Sable

1 Answer

92 toyota camry running like on only 3 spark plugs instead of 4, oil getting on spark plugs on the passenger side seeing like black shut on the inside of hood on passenger side

Stop the oil leak. There are gaskets and seals for wherever it's leaking. Valve cover gaskets or seals on the cover if the plugs are recessed. Is the black stuff oil that gets splattered up there?
Spark plugs can keep firing even with oil around the base, but the cleaner the better. A clean engine runs a whole lot better and cooler than one caked in oil. Just don't try to pressure wash it or you'll have worse problems.
It would help you if you could isolate a non firing cylinder, find the one that's missing, I mean. There is a way to find a miss on a running engine by isolating a cylinder that doesn't drop idle speed when the plug wire to that cylinder is removed. But please have someone do it that has done it before. They will know what spark shock means, and how to avoid or mitigate it, or anticipate it-lol. Thatsa lotta voltage!
If you pull the spark plugs out, may help you find the bad cylinder: one will look quite different, may be all black and soot covered on the bottom that is inside the cylinder. Good firing spark plugs will have a tan or brown appearance down at the bottom, with very little deposits on them. (and if black and oily looking and wet, you have likely worn piston rings letting oil burn in there.) So if you could find the miss, it will help you a lot. Maybe you need a tune-up, after looking at your plugs-are they worn down real bad?
Lots of causes for a miss: ignition (plugs, wires, rotor, distributor cap, coil even), gas related (if multiport injection, possibly an injector problem) , and also an internal mechanical problem affecting that cylinder (like a bad sealing valve, a head gasket leak: do a compression test to check for that).
I hope I have helped you in some small way. Good luck.

Feb 02, 2014 | Toyota Cars & Trucks

3 Answers

I own a 2002 Kia Rio RXV and my husband decided to change my spark plugs. When he pulled them out of the engine, they were all covered in oil. What would cause this and is it worth fixing?

You have a 4 cylinder and there are seals in the cover around the spark plug holes. You can replace these with a rocker arm cover gasket set. Costs about $25.00. The oil does not hurt the sparkplug, but over time it will affect the plug wires/ boots and cause a misfire. these are not hard to replace. Your call.

Jul 04, 2011 | 2002 Kia Rio

1 Answer

Oil get into spark plug well. need to know how to replace the valve cover gasket on a 2003 dodge intrepid sxt . clean sparkplugs well of all oil and replaced sparkplugs

these are the things you need to do.

Allow the car engine to cool by letting the car sit idle for several hours. Lift the hood and disconnect the negative battery cable. Remove the upper intake manifold assembly. Using the spark plug tool, remove the spark plugs. Disconnect the spark plug wires. This can be accomplished by pulling straight out on the boot. Locate the cylinder head and disconnect the closed ventilation system and evaporation control system from it.

Locate the left cylinder head cover and remove the DIS coil. Using the wrench, loosen and remove the rocker arm cover mounting bolts. Carefully remove the rocker arm cover from the cylinder head. Remove the gasket cover. Using the screwdriver, gently nudge the gasket to remove it from the seating area.

Using the automotive cleaner, remove any particles, oil or other remnants that were left by the old gasket. Place the new gasket in the gasket seating area. Using the torque wrench, tighten the rocker arm cover fasteners. Reverse the steps used to remove the parts

Complete the maintenance by adding oil to the car and allowing it to run idle for 10 to 15 minutes.

Feb 22, 2011 | Dodge Intrepid Cars & Trucks

1 Answer

My 1999 Subaru Impreza sport wagon had a misfire in cylinder 2, after I changed all four spark plugs and fuel filter the problem got worse. Now the throttle lags and misfires only happen when the car...

Check the firing order tu might have installed it differently, clean the Hi-TENSiON wire terminals on the distributor cap and to spark plugs, oxidation makes contacts to these points might have attributed to the problem! The oil must have leaked from the o-ring seals around the TUBE where u put the spark plugs! It also makes the spark plugs misfires! Replacing these o-ring seals, u have to pull down the valve cover, u will see the rubber around the tube, pull it off and replace w/ new one, clean the area first and put a little silicone sealant! Put everything back! Thats it! Taaah!

Nov 12, 2010 | Subaru Impreza Cars & Trucks

2 Answers

Changed the spark plugs and the old ones were covered in oil

i'm guessing that your car is a 4-cylinder. this is common for inline 4-cylinder engines. since the spark plug holes usually go through the valve cover, the valve cover gasket will leak and collect in the spark plug holes. to fix this you will have to replace the valve cover gasket.

Mar 23, 2010 | 2000 Saturn SW2

2 Answers

Missfire cylinder 4

Look for oil in the spark plug wells from a leaking valve cover. This can cause a cylinder misfire. Old and worn spark plugs as well as plug wires can cause this as well.

Jul 01, 2009 | 1997 Saturn SL

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