Question about Buick Enclave
Car jerks, cylinder 5 needs a sparkplug or wire change, can't find the spark plug location
The plugs are under the coils. keep in mind it could be an injector problem too.
Posted on Feb 11, 2014
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Posted on Jan 02, 2017
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
Most likely does not have wires. It should have coil packs on the plugs. If it does have wires, should be the 1st cylinder on the drivers side of the engine in a V6, rear cylinder on passenger side of the V8.
Posted on Jun 10, 2009
SOURCE: ES300 Lexus cylinder misfiring
well a compression test will tell you if the engines internal components are working properly and it is critical you start there when having a problem like this.
testing the injectors will let you know if they are giving fuel to the engine. there are two test for the injector and first one you do is an electrical test to see if they are getting turned on and off as they are supposed to and it they are internaly good electricaly with is done by listening to them with a stethoscope to see if you here the clicking sound the pintle valve makes inside of them. then there is the test to see if there spraying fuel or leaking fuel witch is called a leak down test and is done with a fuel pressure guage and a tester that will electrical turn the individual ijector on to see how much pressure it drops.
this is what i would do if i had it in my shop.
let me know if you have any more question and that you understood what i described.
Posted on Sep 29, 2009
although I am not familiar with this particular engine my son's Mazda Miata had oil in the plug holes and it only required a new valve cover gasket to fix it.
Posted on Oct 18, 2009
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