Question about 1993 Chevrolet S-10 Blazer

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Burning off a plug...

My Blazer has been burning off a plug (literally). Would that be the distibuter? It's only one plug that it's happening to. My husband and I have asked several people and, of course, we've gotten several different guesses on what might be causing it.

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Has your coolant level been going down at all? (intake or head gasket leak). If you have multiple coils, try swapping one & another & see if changes location of bad plug. (doubtful but worth a try.) no cost. Have you changed that plug wire?

Posted on Dec 11, 2008

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Picture of distibuter wiring system for 1986 chevy s-10 pick up


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Yes my blazer is 4.2 liter. When i start taking off it cuts or sputters whatever its called but it stays running and doesnt die. i replaced the plugs, wires, dis. cap and the rotor. dnt understand why it...


No, your Blazer would be a 4.3 liter.
Check your fuel pressure. TBI would be around 9psi and with some throttle it would move up to about 14. CMFI 55 and 60psi. Do the best you can at giving it gas when checking. If it does not move up from idle then it could be a weak pump, plugged filter, faulty regulator

You may also try taking your ignition module to an Auto Zone and have it tested. Its a free service.

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Hope this helps (remember to rate this answer), good luck.

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Engine oil


It is not unusual for an older truck to be burning a little oil. It is burning very little so you will not smell burnt oil or see blue smoke in the exhaust. But the oil burn does add up and you may notice a drop on the oil dipstick after a few weeks. On a 9 year old truck under normal working conditions will burn a little oil. If you are having to add 1 liter between oil changes, that is ok, just shows normal engine ware. 2 Liters is acceptable between oil changes if the truck does a lot of heavy pulling or work. 3 or more liters indecates a problem, but at that rate, you should be able to smell oil and see blue smoke.

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