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Losing power juddering

Tiny
CARMEILA STEVENS
  • MEMBER
  • 2004 VAUXHALL ASTRA
  • 1.6L
  • V8
  • FWD
  • MANUAL
  • 104,000 MILES
Car idles perfect, turns over fine, but it is losing power after 40 mph and juddering we have already put on a new coil pack and front oxygen sensor. Do you think it could be math sensor or spark plugs?
Wednesday, May 4th, 2016 AT 3:15 PM

1 Reply

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
First you have to scan for codes and checkfuel pressure with a gauge in US auto parts rent it not sure about UK we do not have any specs on that as it is not sold in US, but read this link.
https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator
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Wednesday, May 4th, 2016 AT 3:33 PM

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