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2010 ford fiesta starting problems



My Ford Fusion was running fine one day when all of a sudden it cut out. I took it to a main dealer who diagnosed an ECU fault. The car has since had a new ECU, a new camshaft sensor and a new crank shaft sensor and the car is still not running. Has any one else had this problem?
The ECU is the same as the Ford Fiesta Mark 5 ECU.

Wednesday, 20 January 2010
Edited Wednesday, 20 January 2010

If you have had all that work done and it still doesnt run. i wouldnt pay a penny just yet! its obviously been incorrectly diagnosed. would need more information of what faults are present, no communication to pcm? before can give more advise. Ive had problems with crank sensor pick up, especially the wiring to it and had one in the past do a similar thing just cut out non start and that was a bad conection of one of the multi plug on the high pressure fuel pump. cleaned and adjusted pins. fired up fine and never missed a beat. also have come across timing belt problems causing timing to be out.

as tony has already said, we need more info.
is there a mil lamp, or glow plug light on, does the vehicle crank but not start.
i mean there are endless amount of causes to your none start.

hi all. this car has only done 38000 miles the engine trun over. all dash light,s come as it shod fuel in tank ect. ecu/pcm is not talking to sensers on crank or cam as ford sid sensers are woking o.k try new ones but no good. finding out more today hop this help.

Friday, 22 January 2010
Edited Friday, 22 January 2010

Hello. it sounds like the pcm is not been powered uplikely to be a wiring problem, bad earth somehere. Its going to take your ford garage some time to figure this one out, but i would be checking the main engine loom and wiring plugs and carrying out basic mulitmeter checks. are you sure the engine light comes on with ignition on? also have they carefully checked all fuses and relays for faults? sometimes dont overlook the basics!

TBH i have come across lots of different reasons why these fiesta dont start, from a short to ground on one of the sensors causing the pcm/ecu not to power up, to water ingress into egr valve (electronic) also causing pcm to no wake up. hopefully you will get some more ideas from the dealer today. good luck

P.S ask the dealer for any stored codes in the management system and post them on here then i can go onto ford etis (live) and relate that to any known concerns.

Friday, 22 January 2010
Edited Friday, 22 January 2010

ask them also to carry out tsb 90/2005 which states.

Should a customer express concern about no start, poor drivability, black smoke. high fuel consumption, and other potential root cause have already been eliminated (fuel quality, exhaust gas recirculation (EGR), fuel return line….), the injectors need to be investigated. The attached service instruction identifies which fuel injector might be at fault and therefore must be renewed.

The purpose of this service instruction is to describe the function and operation of the fuel injector leak off test on the 1.4L Duratorq-TDCi (DV) Diesel and the likely customer concern, and the application of this test. The main reason for running this test is to determine if one or more of the fuel injectors produce excessive leak off return fuel, indicating a sticking, worn, or otherwise faulty fuel injector.

The required parts for the fuel injector leak off test described in this Technical Service Bulletin can be reused and should be stored with the Diagnostic Tool, Common Rail Fuel Injection (310-129). It is not necessary to reorder these parts for every single fuel injector leak off test on the 1.4L Duratorq-TDCi (DV) Diesel.

The corresponding workshop manual sections in the Service Literature will be updated accordingly.

there could be excessive leak off (fuel) back to the tank, or you could have air entering into injectors causing your issue.

Hi all,
Picked up computer printout from Fords with fault codes,

P0335.60.PCM.
P0562.6ovoltage low?
P0606.60ECM/PCM processer?
P1245.60gen. load low?
Injecters are working correctly.
Vehicle has been on scope, checked timing.
Glow plug light coming on when it is supposed to.
Despription PO191
FRP sensor range /performance, for add. info. refer to TSBno. 46/2005

Friday, 22 January 2010
Edited Friday, 22 January 2010

personaly i would not be paying for the parts fitted as they are not the ones at fault i would want the ones taken off put back it sounds like a tricky one but the poke a stick at it approach and start bolting parts on cost you money surely if you find the part that has been changed is not at fault the old one should be put back

dont worry about dtcs for gen and low voltage because thats there due to cranking and voltage getting below 10.5v

P0335 (Invalid crankshaft position (CKP) signal)
• NOTE: This trouble code is set when no concordance is detected between the CKP signal and the CMP signal.

• The CKP sensor wheel is damaged or loose on the flywheel.

• The CMP signal is not in order - no synchronization taking place.

• The CKP sensor and/or the CKP sensor bracket are loose.

• The CKP gap was set incorrectly and has damaged the sensor.

1. Check the CKP sensor wheel to make sure it is securely attached, has no bent/damaged teeth and there is no corrosion on the teeth.

2. Use WDS Datalogger to check the CKP signal, look for two clearly defined triggering teeth responses within a 720° captured event .

its also possible that the flywheel has caused this damage, remove the ckp sensor which should be right next to the starter motor and check its condition.

hi great to hear its finally running. i hope they didnt charge you for all the parts that were not at faultyou look back i did mention fuses and relays. never overlook the obvious. sometimes ford garages get carried away! i know ive been there learnt from itkeep an eye on it as there is always a reason why the fuses blow in the first place. usually a wiring or component fault. keep us posted on how it goes.

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