Hesitation at WOT, plugs maybe???
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Hesitation at WOT, plugs maybe???
Hi guys I have a hesitation when booting it, it's pretty bad to be honest and I'm thinking it could be the plugs, I have no history as to when they were last changed.
Can plugs cause a hesitation only at wide open throttle? When building the revs slowly it seems fine.
Next question is, I know the reccomended plugs are NGK PFR7B's but instead of buying a set at £30+ can I use these ones below as a temp measure?
Like I say I know they're not what people recommend but is it likely to harm anything if I use these to see if the hesitation is plug related as I have them lying around.
Cheers Ian.
Can plugs cause a hesitation only at wide open throttle? When building the revs slowly it seems fine.
Next question is, I know the reccomended plugs are NGK PFR7B's but instead of buying a set at £30+ can I use these ones below as a temp measure?
Like I say I know they're not what people recommend but is it likely to harm anything if I use these to see if the hesitation is plug related as I have them lying around.
Cheers Ian.
#2
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I had this exact problem with my classic uk 2000. I chased it round the engine changing the plugs the maf and knock sensors, fuel pump and filter with no joy. I eventually bit the bullet and took it to a specialist who took it for a couple of runs then put a known working coil pack on in place of mine and that cured it! I then went out a got myself one and have had no problem since!
I think you would be as well changing the plugs but for the correct ones. If that doesn't cure it then take it to someone who knows about these cars!
I think you would be as well changing the plugs but for the correct ones. If that doesn't cure it then take it to someone who knows about these cars!
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Car is due to go to graham at engine mapper for a remap so wanted to iron out any issues before i take it there, will invest in some plugs tomorrow.
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03 November 2021 11:07 AM