dimanche 25 janvier 2015

52 Plate Clio dci expression loud rattle heard stopped engine now will not start

Good afternoon.



And it's a cold one at that. Having done a search I did find a thread that was to say the least very helpful and sole destroying all in nine pages.



Engine rebuilt at 103,000 miles

Bores honed, new rings, new Turbo, new starter motor, new head bolts, no crank work required, head cleaned and valves reground and new thermostat.

Current mileage 148,000

last service 1,500 miles ago

Oil service every 3000 miles

fuel and air filter service every 6000 miles



My problem started driving home from a funeral the car seemed to judder then loose power but still drive. If i increased the revs there was a loud knocking sound akin to a big end going from the engine. if i reduced the revs the car drove fine but still with noticeably reduced power. I got home okay parked up and the next morning expecting the worse i was surprised when the car started and ran fine, no miss no rattle. however when i drove up the hill and tried to accelerate there was an almighty rattle and the engine light began to flash and the glow plug light came on.



I called the RAC and the little box said the cam shaft sensor was intermittent, low fuel pressor along with a few more that I cant recall. On clearing all the stored faults and trying to start the car the cam shaft sensor came up as intermittent.



Now having changed this the car still won't start.

However it turned out the unit that was fitted was not correct for the engine so £60 wasted there and a trip to the local parts store for the correct part. yes you guessed it it still won't start.



Timing checked thats okay

Engine will run on easy start when cranked so i would guess mechanical integrity is okay.

All the lights come on and extinguish as normal



The question i would like an answer to is this: How much fuel would be expelled from a disconnected injector pipe in 30 seconds of cranking?



Having removed an injector and orientated it so that it would fire into a bag on cranking i got nothing. When i removed the injector completely and placed the end of the pipe into a bottle, on cranking for 30 seconds I only got 100ml of fuel collected. Now i know that when the injectors fire they do so with some force so there would need to be significant flow to achieve this, the computer recorded a cranking speed of 20 rpm (if i read it correctly) and no faults are stored or pending.



I am leaning heavily toward getting a new pump. Any other thoughts?




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