I have a 1993 Honda Accord Anniversary Edition. We had oil in the spark plugs so we changed the valve cover and spark plug gaskets and seals, put in new spark plugs and spark plug wires. Still when we are at a stop the engine idols slow and the check engine light comes on. Then the other day going down the freeway at about 60 and 3000 rpm the rpms started to bounce up and down erratically. The check engine light is still a code 6, which is a temp. sensor, but the sensor is testing good. Now the car is having issues starting. If we wait 5 minute or so then it will start.
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These have a know issue with the Distributors.. You may be seeing a spark but the spark may be so weak that it is not sufficient to ignite the air/fuel mixture in a compressed environment.
I had this happen to my 1992 Honda. Cost me over $400 in Troubleshooting and nobody could figure it out. I went to one of my venders (Parts for Imports) and they enlightened me and sold me a New Distributor and installed it and BAM!!!! Ran like a top.
I did extensive Troubleshooting myself, ran into a brick wall because mine was doing the same... Good Fuel Pressure, Spark but Nothing.
One thing does come to mind that I tested mine and that is to do a Compression Test or pop the cover off the Timing Belt to see if it is Moving or if the Timing has jumped...
This Motor is an INTERFERENCE MOTOR, If the Belt Broke or Slipped, you could have caused some damage.
If you need any further assistance, please let me know. I have an extensive Background with Honda's... I certified as an ASE Mechanic in 1979 (Dang I am getting OLD)....
the first thing you should check is if oil is leaking into the combustion chamber. i say this because it is very common for the tube seals to leak on the valve cover and into the spark plug holes. pull out the spark plug wires from the valve cover and see if they have oil on them, if so replace the valve cover gasket and tube seals.
When you changed the valve cover gasket, did you also change the seals that go around the spark plug holes? If you did,and theres still oil getting in there, they might have moved when you installed them. If thats the case, hold the seals in place with some RTV black sealant and try it again.
I like to make sure the timing belt is not skipped or broken by watching the cam turn inside the valve cover. Then I lay a spare spark plug on valve cover connected to any plug wire to see if it sparks. Fuel can be confirmed by smelling the exhaust, or by using starting fluid . These cars are famous for a coil relay solder break problem. The relay is heat expansion damaged, its mounted high up in the dash drivers side corner it is about 3" square gray.
no, not a blown headgasket, remove the valve cover and inspect the spark plug hole seals(tube seals in the valve cover) replace if brittle and old. also change the valve cover gasket since u have it off...adjust the valves as well
Yes the oil can cause the car to lose spark, the oil leak could be caused by the valve cover gaskets around the spark openings, but 9 times out of 10 it is the spark plug tube "O" rings. The top of the valve train comes off of the head, the "O" rings are between the two halves, that will fix the oil leak.
a new valve cover gasket and o-rings around the wells should have cured this...did you clean the old o-rings off the valve cover completely before installing new ones? this is a common problem with these models.....i would re-check my gaskets and mateing surfaces. valve cover gaskets and spark plug well o-rings are relatively low cost. the spark plug is tight, correct? write back with an update!