engine cuts out.

988 Views 4 Replies 4 Participants Last post by Big Barnett, Mar 9, 2010

jgrib123

Discussion Starter · Mar 8, 2010

hi there i have a ford mondeo 02 tdci about 2 months ago i the engine cut out while my wife was driving it. had a diagnostic test on it and it came up with po521 or 251 one of them. i was told that it was a fuel filter, so changed it and nothing happen, still cuts out, then told it was a fuel sensor so had a new fuel pump put on the car. and you guessed it still cut out. so could anyone help me with this problem pls oh also every now and then if i hit 3000 revs the engine will just go mental and the rev counter goes off the clock all by its self and i have to turn off the engine quickly its driving me mental trying to find out what it is! i have changed the cam sensor which is another thing i was told it was.

PLEASE HELP ME!!!

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yorkie72

· #2 · Mar 8, 2010

i would change the crank sensor,try that and let us know,thxs

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jgrib123

Discussion Starter · #3 · Mar 8, 2010

THANKS FOR YOUR REPLY I WILL TRY THAT AND SEE WHAT HAPPENS. THANKS AGAIN, ILL LET YOU KNOW WHAT HAPPENS

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mondeotdci130

· #4 · Mar 9, 2010 (Edited by Moderator)

every now and then if i hit 3000 revs the engine will just go mental and the rev counter goes off the clock all by its self and i have to turn off the engine quickly

lets hope the engine isnt "scavenging" (engine oil getting sucked into the inlet/combustion system)...

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Big Barnett

· #5 · Mar 9, 2010

I have had a few mondys at work with the same problem, we replaced the cam sensor and fixed the problem

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