05 Crossfire 45,000 miles originally equipped with ngk's plugs check engine light had been on code reader said misfire multiple cylinders. replaced plugs still causing problem? any ideas?

 

Are the plugs actually misfiring ??? or is it a Phantom ?
Try disconnecting the battery for about 20 minutes to clear the codes, I've been told it works, though I've never tried it myself.

 

Codes say multiple misfire random cylinder I just did the battery reset thn turned of car and turned on sign came back. What is the phantom is it the coil pack? Wat else can it be thanks for ny info

 

I see it highly unlikely a multi-fire failure would be unnoticable when driven. I would suspect a loss of power, loss of fuel economy and should have a rougher than idle than what is normal with these cars.
Coil packs are usually pretty reliable, if the car is indeed having issues it could be anything from bad sparkplug wiring to ECU issues. Take it to a dealer who has the equipment to properly analyze the problem.

Just my Dos Centavos

 

Water in the fuel will caus this as well.
Happen right after a fill up, or after parked at a steep angle?

 

Didn't know it would throw a code though

 

When I WOT in the cold Ill get it as the lean condition at cold conditions and cold O2 sensor it'll pop up. Woody
Reset and see if it re occures. WW

 

Take a look inside the intake manifold.
Intercooler leak ?

 

i am losing fuel like crazy and about the power i wouldnt no cause chexck engine light has been on since i bought the car used

 

Mis-fire throws the code - water could be the cause.

 

DITTO WOODY!

Raced a vette the other day when it was 10 degrees....-5 windshield

Beatem by two cars....I made the yellow...he went thru on the red

Then look out your actin stupid light came on...last time It went off was at 150 blowin by FP !

 

it spits out black stuff from the exaust micture of gas and somthing else evrytimme i start it up and as far as the misfire goes im goin to pull em out and perhaps maybe it needs gaping then put em in and see what happens-
thanks for all help

 

btw do any of you guys know the gapping required for the plugs on a 05 crossfire v6 non-srt, would be greatly appreciated

 

I had a similar problem is a Mercedes ML320 (same engine as the crossfire). I turned out to be the crankshaft position sensor was going bad.

 

ok thanks guys it turned out to be gaping was off on one of the plugs so i re-gapped all of them put em back in and got rid of the misfire

 

Dude,

To be fair you posted in several places on this site that members should not use NGK plugs and they are a waist of money. It turns out that this was not the case and unless another "newbie" were to read this post after all of your others they would be mis-informed.

I do think you should post on the other threads that the issue had nothing to do with NGK and was in fact due to someone incorrectly installing them.

JMO but to be fair you did trash NGK and those members using them who were in fact correct. I am sure you expect information provided to you in threads here to be fact and not opinion...

Be safe...


Respectfully,


Paul (MisterTaz)

 

Sick'em TAZ !!! ...... LOL installing plugs in this little beast is a nightmare or so I've heard...my time is coming soon....be careful not to bang the electrodes and at least do check the gaps before install.
Saves "newbies" from whip lash !!!

 

Lol thanks ye well the guys at pepboys and autozone told me ngk's were for japansese my bad guys they work just not the way precise way the guy said but hey I apologize on my behalf and if your goin to change your plugs do not use fancy mercedes benz tools all u need it 5/8 socket a small extension and one extension tht has angles u can mess around with thts all u need