2006 Rover 25 1.4 Misfire

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nellie 1130
Fixes: 4
Problem added: Aug 10, 2010 (10 years ago)
car has done 18500,serviced in nov 09(about 2500 miles ago!! has started misfiring going up hills or when it is underloaded.Now it has started doing it at speed.Checked the plugs,seem fine and changed the fuel filter literally yesterday,problem still persists.Can anyone please help. Thanks,Ian

Car details
Car: Rover 25
Variant: 1.4
Model Year: 2006
Category: Running Rough, Starting & Power Loss

More: Rover 25 Problems
Parts mentioned in this problem
Replies and fixes
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2145simon
Fixes: 1,032
Aug 10, 2010 (10 years ago)
common problem with these cars was ht leads causing juddering/misfire under load
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whittingehame
Fixes: 12,509
Aug 10, 2010 (10 years ago)
Leads , coil pack ?
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whittingehame
Fixes: 12,509
Aug 10, 2010 (10 years ago)
Could also check this ,

Join Date: Feb 2008
Car: Rover 400 (95-99)

look at harness

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Quote:
Originally Posted by andy roo
not sure how old your car is? check the wiring harness under the throttle body where it goes over the water pipe. normally rub through and earth out. check corroision on plug leads and coils. the rubber bit pulls off. make sure it doesn't split can't get it seperate

where the harness plugs in to the multi plug . normaly the side away from inlet manifold. take air filter top part off then . should be able to see plastic covered loom very close to metal coolant pipe. lift it up wards and look underneath. should be obvious if that is fault. worked on this stuff 4 to many years.
Avatar
nellie 1130
Fixes: 4
Aug 10, 2010 (10 years ago)
many thanks lads,will get on to these possibilities.cheers,Ian.Answer to age of veh,bought it new in 06,not sure when it was made though cos they went bust.
Avatar
nellie 1130
Fixes: 4
Aug 10, 2010 (10 years ago)
many thanks lads,will get on to these possibilities.cheers,Ian.Answer to age of veh,bought it new in 06,not sure when it was made though cos they went bust.
Avatar
nellie 1130
Fixes: 4
Aug 10, 2010 (10 years ago)
many thanks lads,will get on to these possibilities.cheers,Ian.Answer to age of veh,bought it new in 06,not sure when it was made though cos they went bust.
Avatar
nellie 1130
Fixes: 4
Aug 11, 2010 (10 years ago)
probably the wrong place to post this but would like to thank 2145 Simon and Whittingehame for the rover 25 advice- changed the ht leads today-end of problem!! Many thanks Lads.
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2145simon
Fixes: 1,032
Aug 11, 2010 (10 years ago)
happy to help
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whittingehame
Fixes: 12,509
Aug 11, 2010 (10 years ago)
Good to hear problem fixed and car o.k , thanks for update .
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andrew slevin
Fixes: 164
Aug 11, 2010 (10 years ago)
ht leads coil pack most common
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