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so i changed all my spark plugs this morning and when i got done the engine is misfiring horribly,
i have no clue what i did wrong,
i changed one at a time,
all the wires are back on
theyre all gapped correctly
someone please give me some advice
is it possible that i could have broken one of the wires? or the connector?
so i changed all my spark plugs this morning and when i got done the engine is misfiring horribly,
i have no clue what i did wrong,
i changed one at a time,
all the wires are back on
theyre all gapped correctly
someone please give me some advice
is it possible that i could have broken one of the wires? or the connector?
One wire could be arching to ground. Could have also cracked the plug as well. Make sure the boots are pushed all the way down on the plug tip. Double check your wire locations, just to be on the safe side.
If you have a multimeter, you can check to see if you have continuity in the wires as well as resistance.
I would ditch the Bosch plugs in favor of some AC Delco or NGK plugs. Bosch plugs can make some of these cars run funny. In the meantime check the clearance between the exhaust manifolds and wires, and look for any singed marks. Also double check the order of the wires at the coilpacks.
'99 Camaro
'04 Saab 9-3 Aero
'90 Audi Coupe Quattro
bosch is a no, no. the plug wire may have a crack in it somewhere. When you change plugs most of the time you normally change the wires. they are not that expensive.
I ran Bosch Plat's for 6 years in my '96 3.8l Camaro and never had any issues with them. I removed them once at 30k miles to check their condition, and they didn't even need to be cleaned.
I'd go back and check your wires. They're a pain in the arse to get back on, and one of them could still be loose. Listen for the "click" when reinstalling them.
I would agree either plug wire arcing or you didn't get the boot all the way on the spark plug. Most the time you shoul feel a snap when they go on, sometimes they don't but just trun and push them on the best you can, also use the grease on them so they conduct better. I use some on the tip of the plugs and put some down in the boot ends. NGK TR55's are a good N/A plug.
08' L76 6.0L 4X4 Chevy EXT.Cab LTZ Vortec MAX with Snug top cover, Dynomax exhaust,Hptuners& K&N intake
96' Camaro M5 to A4 conversion, alot of mods . GT35R Turbo full suspension. Built engine
also since you have the wires off, go ahead and check the plugs for cracks.
Team NoVa
2000 Firebird- Intake, Pacesetters, !cat, full 2.5 to flowcrapster, 1.9 rockers, LS6 springs and Intense modded retainers, WS6 speedlines, T/A bumpers and hatch, 5 spd swapped, SOON TO BE nitrous'd and cammed.
also since you have the wires off, go ahead and check the plugs for cracks.
this to
its so common for people to over tighten spark plugs, they dont need to be tight at all, i usually turn the wrench till i can feel some resistance, then just tap the ratchet with my hand and thats it, they dont need to be torqued down to 100 ftlb
update:
so i bought wires today, got them home, looked in the box, there was only 5 :(
and advance had just closed
i checked the firing order and made sure all the wires were on good but i didn't take any plugs out.
so far no change but i diddnt really expect any from what i did tonight.
tomorrow im going out take all the plugs out and check for cracks
is there a way to see if the plug has been firing or not by looking at it?
i think ill also try unplugging the wires one at a time from the coil packs to find out which one is misfiring.
is there a way to see if the plug has been firing or not by looking at it?
i think ill also try unplugging the wires one at a time from the coil packs to find out which one is misfiring.
yes, it will smell like gas if it is misfiring
also you should not disconnect plugs from the coils, that is an old school thing that was done with distributors, you can ruin the coil/icm by doing that
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