Check Engine - Off/on/off/on what..

[JHarris1385]

So replace all my spark plugs aye? I would like to get the iridium ones but that would set me back another $60 im sure. I thought these were 100,000 mile spark pluggs? Any recommendation of pluggs to use? Thanks for anything.

[nfpgasmask]

Well, hopefully someone more in the know will reply, cause I am no expert. But I always thought that a misfire could mean that one of your plugs was bad/going bad causing the misfire. I had trouble about 2 months ago with really rough idle and a CE light. I thought it could be the plugs, so I changed them out, and still had the same issue. In the end it turned out to be bad gas and I was really low, but I did change the plugs and it was easy (except for the back right one, which is difficult to get at because of the master cylider). The plugs I bought were like $7 or $8 each, I can't remember the type/brand but I have it written down in my log book. If you want me to check let me know. Anyway, $60 ain't much to spend if it does the trick, but then again, if it doesn't?!?!?!

Bart

So replace all my spark plugs aye? I would like to get the iridium ones but that would set me back another $60 im sure. I thought these were 100,000 mile spark pluggs? Any recommendation of pluggs to use? Thanks for anything.

[nfpgasmask]

Here is a quote from a website about misfires and CE lights:

UNDERSTANDING DIAGNOSTIC TROUBLE CODES
A misfirewill cause the Check Engine Light to flash while the misfire is occurring. A misfire that occurs in a given cylinder will also set a P030X code where "X" will be the number of the cylinder that is misfiring. For example, a P0302 code would tell you cylinder number two is misfiring. But here's the important point: The code does not tell you why the cylinder is misfiring. You have to figure that out by performing other diagnostic tests. The misfire might be due to a fouled spark plug, a bad plug wire, a defective ignition coil in a DIS ignition system, a clogged or dead fuel injector or a loss of compression due to a leaky exhaust valve, leaky head gasket or worn cam lobe.

from this site

Bart

[JHarris1385]

What plugs were those. My light will go on and off every other day almost. But when it does change from off to on while idle I notice a gain in the engine and honestly I does sound like a spark had taken place.

[nfpgasmask]

OK, I just went out to my VX, this is what I have written in my log book:

NGK Iridium IX - BKR5E IX-11 5464

I bought them from Pep Boys and if I remember correctly, they were about $7 or $8 each...

Me and my buddy swapped them out, it was pretty easy if you have an extension tube for your wratchet. Except for the back right one, I remember I had to rig something up to get to the screws back there....you'll see

Bart

What plugs were those. My light will go on and off every other day almost. But when it does change from off to on while idle I notice a gain in the engine and honestly I does sound like a spark had taken place.