My 1996 Toyota Tacoma V-6 SR5 still misfiring. I did a compression test and its around 180, I've already replace my spark plugs, wires and fuel filter. I also check my timing and it running around 10. Don't know what else to do.
2007-01-21 16:33:03 · 10 answers · asked by keoni1101 1 in Cars & Transportation ➔ Maintenance & Repairs
Don't have distributor cap. I have ignition coil packs
2007-01-21 16:45:59 · update #1
I just had a problem with engine misfiring in my Grand Prix. I finally found out that the fuel injector were plugged with rust. I think the original fuel filter failed and let all that dirt. Fortunately at the entrance of the injector there is a little basket as a last chance filter. It was easy to clean.
First you can try engine fuel cleaner I recommend the Chevron.
2007-01-29 13:01:19 · answer #1 · answered by amistad51 2 · 0⤊ 0⤋
Try moving the wires to the coil packs around, see if this will induce a "stumble" in the engine; frequently the harness connectors will loosen over time.
Try tapping firmly, NOT HARD, on the Mass Air-flow Sensor, again listen for a stumble. A failing MAF sensor can cause a misfire as well.
In the dark, with as little ambient light as possible, watch for sparks arcing from any ignition components to ground. Keep your fingers out of the engine bay during this one, hate to have one lopped off!
Check all of your ground wires, make sure none are loose or corroded.
Worst case: find a friend or garage with access to a Tech-2 scan tool, there should be some sort of history code stored.
2007-01-27 20:06:26 · answer #2 · answered by dyno_dawg 1 · 0⤊ 0⤋
i had a chevy cavalier that intermittenly misfired and finally figured out it was a bad connection an the coil pack itself. check the plug on the coil pack to see if it is black or slightly melted from the misfiring issue. not the coil wire itself, the electrical wire that powers the coil pack. maybe you have the same issue. all i did was to spread the 2 male connector apart a little bit and this solved the issue i had.
2007-01-28 21:36:06 · answer #3 · answered by chris n 1 · 0⤊ 0⤋
checked vacuum hoses for cracks or sloppy fitting? If unsure, replace.
Did you change cap and rotor?
Could also be a carbon deposit on a valve that is staying hot. Put some "carb out" in the fuel and take it for a burn as directed on the can.
2007-01-22 00:45:10 · answer #4 · answered by ButwhatdoIno? 6 · 0⤊ 0⤋
Whenever you replace plugs and wires you should check cap and rotor. Also check coil wire, and check the connector for corrosion.
2007-01-22 00:42:14 · answer #5 · answered by Anonymous · 0⤊ 0⤋
You may have a bad coil. I'd start with having the injectors cleaned.
2007-01-30 00:01:17 · answer #6 · answered by shawdog 2 · 0⤊ 0⤋
take a squirt bottle with only water and spray around the intake to see if the idle changes if it does then the intake mainfold gasket is leaking, try to tighten them, (in sequence/look it up in the book)if tight replace gasket, But DON'T overtighten it they are a pain to get out if broken
2007-01-22 01:27:25 · answer #7 · answered by Mr D 3 · 0⤊ 0⤋
Try the Oxygen sensors and air filter.
2007-01-29 16:34:40 · answer #8 · answered by jason m 4 · 0⤊ 0⤋
Your cylinder head may be bad. Check with an experieced auto mech.
2007-01-29 19:27:53 · answer #9 · answered by femoA 2 · 0⤊ 0⤋
not sure can be a variety of thengs,,put it on a machine
2007-01-29 17:09:08 · answer #10 · answered by jerry 7 · 0⤊ 0⤋