Engine misfire

Tiny
NICHOLAS DAVID WOOTTON
  • MEMBER
  • 2006 FORD MONDEO
  • 2.0L
  • FWD
  • MANUAL
  • 32,000 MILES
Hi

I have the HDI model. Recently I bought this car, was impressed with the low mileage and it ran smoothly on the test drive, it also has a full service history and is generally immaculate. MOT was April 2016.

All had been fine until I got onto a motorway, at 70 mph in fifth gear. I was maintaining this speed with just my foot pressed lightly on the accelerator.

However, I noticed the occasional "jerk" or "tug", almost as if the car was not putting quite enough fuel into the engine. This disappeared as soon as I put my foot down a little and everything was normal. But it would reproduce itself when coasting at around 70 mph in fifth gear. Revs over 1500.

I have noticed this at slower speeds in fourth, but far less.

Apart from this the car drives beautifully.

I popped into the local garage and he said it could be faulty fuel injectors (he said up to £1000 to fix!) Or a sensor (A few hundred pounds to fix).

Am I being taken for a ride or does this sound genuine? Is there anything else that this could be?
Tuesday, May 2nd, 2017 AT 7:41 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,389 POSTS
Hello,

I see that it is diesel lol. I believe there is a fuel pressure cut off valve near or on the engine that is going bad. I don't have any other info becasue we don't have that car in the USA.

Please let us know what you find ;)

Cheers, Ken
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Friday, May 5th, 2017 AT 5:00 PM

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