irridium spark plugs problem?

johandc · 08-24-2010, 11:10 AM

Hi,

I changed my spark plugs with NGK irridium spark plugs, but he is not accelerating smoothley.
When i am standing still and press the gas pedal there is no problem it goes in high rpm smoothley, but when i am accelerating the car is holding in in shocks.
I thought the NGK's should be an improvement but it isnt, or could this be another problem?

I just ordered the 8.5mm Magnecor spark plug leads, maybe this will helps a bit.

Did somebody already had the same problem?

Johan

Saint Bastage · 08-24-2010, 02:21 PM

I have a hard time blaming those symptoms on new plugs unless you dropped one or two and reset the gap. Sounds more like wires to me also. Another possibility is the plug terminal adapter caps. Sometimes they don't come with new plugs. Did you replace them? make sure they are clean/tight? I don't mean to sound condesending but sometimes the simple stuff gets by the best of us.

johandc · 08-27-2010, 09:06 AM

Problem solved, two oxidised spark plug heads.
I don't understand that hey did't saw this when they placed the new spark plugs at a rate of € 84,00/hour

johan

08-24-2010, 11:10 AM	#1
johandc Owner Join Date: Aug 2009 Location: Belgium Ferrari Life Posts: 43 Name: Johan De Cock	irridium spark plugs problem? Hi, I changed my spark plugs with NGK irridium spark plugs, but he is not accelerating smoothley. When i am standing still and press the gas pedal there is no problem it goes in high rpm smoothley, but when i am accelerating the car is holding in in shocks. I thought the NGK's should be an improvement but it isnt, or could this be another problem? I just ordered the 8.5mm Magnecor spark plug leads, maybe this will helps a bit. Did somebody already had the same problem? Johan

08-24-2010, 02:21 PM	#2
Saint Bastage Owner Elite Member Join Date: Jun 2007 Location: Essex Connecticut Ferrari Life Posts: 1,679 Name: Lane	I have a hard time blaming those symptoms on new plugs unless you dropped one or two and reset the gap. Sounds more like wires to me also. Another possibility is the plug terminal adapter caps. Sometimes they don't come with new plugs. Did you replace them? make sure they are clean/tight? I don't mean to sound condesending but sometimes the simple stuff gets by the best of us. Lane 348ts SS #64, Nero on Nero

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08-27-2010, 09:06 AM	#3
johandc Owner Join Date: Aug 2009 Location: Belgium Ferrari Life Posts: 43 Name: Johan De Cock	Problem solved, two oxidised spark plug heads. I don't understand that hey did't saw this when they placed the new spark plugs at a rate of € 84,00/hour johan