spark plug replacement

Asked by Apr 22, 2012 at 09:56 PM about the 2008 Land Rover LR2 SE

Question type: Maintenance & Repair

Replaced spark plugs and got "Reduced Engine Performanca" message. Reinstalled old plugs, same message.
Initially did not disconnect  battery ground cable. Reinstalled new ground cable disconnected, same message.
How do I resolve this issue?

1 Answer


check that you properly placed the coils. you might have caused a misfire and triggered a fault code. Have the truck scanned and clear any codes.

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