1986 magna

Nov 25, 2006 2 Replies

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Peter 19 years ago

Today when i started u the car to drive to work, it sounded like it was running on 3 cylinders. The day before the car was fine. Can any tell me what could be causing this minor problem. It's a pure work car and is only driven to and from work, a paltry 20 kms per day, but it has been well looked after. It has new spark plugs, leads and coil wire, air filter, oil filter and fuel filter are also new. The rocker cover gasket was changed 500 kms ago. So, what woul dout of th eblue, make the car sound like a 3 cylinder

Thanx

Peter

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Stewart DIBBS 19 years ago

If the 86 is injected, possibly a blocked injector.

All other cases: a) failed plug lead b) cracked distributor cap c) fouled plug. This occurs due to burned oil, common on old engines d) broken ring, see c) e) worn out valve stem seals, see c) f) failed head gasket. g) burned or leaking valve.

First thing, identify which plug is not firing, and have a look at it. If its carboned up, you have oil burning. Check the leads and inside the distributor cap. Clean of dust and dirt with WD40.

A failed head gasket may leave the plug wet. f) and g) will require the head removed and reconned.

Stewart DIBBS

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Peter 19 years ago

Sorry Stewart i failed to mention that i had sprayed carb cleaner in and around the carb before my problem started, actually down the throat of the carb and up thru several pipes coming from the air filter and the little thingy on the firewall which hoses also come from the air filter. So i am thinking, maybe i have moved a little bit of crap into the carb or loosened dirt which is blocking some thing. The dizzy cover, leads and plugs are all new

Help lol

Peter

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