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Focus tdci 2004 cold starting fault

My focus tdci is a pig to start in the cold, fine when warm. have changed glow plugs and have conected them direct to the battery for 15 secounds but still a pig to start. will start eventualy if cranked for long enough, but this will kill my starter so i need to get this sorted. Once started car run good and smooth with plenty of power, any ideas anybody. Thankyou

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  • 17 Answers

Pressure regulator on feul rail

Posted on Jan 12, 2013

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Posted on Jan 02, 2017

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SOURCE: Cold weather starting problems with battery

Have you had the battery checked..Cold weather is the worst enemy on a battery. They work fine in summer but cold will get em.

Posted on Nov 05, 2008

  • 40 Answers

SOURCE: Wont start when weather is cold.

Tune up... its flooding when its cold due to the plugs being worn out...

Posted on Nov 25, 2008

  • 1 Answer

SOURCE: No glow plug light, car turns over but won't start, no CEL or codes

I don't have the solution but a possible help in diagnosing.  If you remove the water temperature sensor connector from the sensor, the glow plug light should stay on when you go to start the car.  Try leaving it on for 15 seconds and then start the car.  If it starts right away, it is your sensor.  If it doesn't, the good luck.  
The sensor is located on the right side of the engine near the top, at the back.  It is in the coolant fitting directly behind the hose from the rad, just left of the thermostat.  Be careful to disconnect the wires, and not remove the sensor, or you will loose a lot of coolant.  The sensor is held in by a separate plastic clip, and the harness just has a little built in clip on the side.  Hope you have small hands...

Posted on Jan 06, 2009

alicantecoli
  • 22156 Answers

SOURCE: Ford Focus TDCI cuts out when driving -glow plug indicator flashe

factory immobiliser playing up ,get a new ECU unit with the chip out of the key and the key reader

Posted on Sep 20, 2009

  • 5370 Answers

SOURCE: bmw 530d e39 2002 car

Most probably its a low fuel pressure related problem.Get the fuel pressure checked.If its low then this is faulty fuel pump and clogged fuel filter issue.the other possibilities are,-----

A car that cranks over but doesn't start, in many cases will be due to a bad fuel pump, a broken timing belt, an inoperative cam sensor or crank sensor. Also this problems are related to faulty spark plug. Check the spark at spark plugs when you start the car. Do you notice any spark. Actually you should see. If in case there is no spark then it's a spark plug problem. Also the coil pack gives power to spark plug. So check the voltage at coil pack. It will show 12 volt.If there is no voltage noticed at coil pack then its faulty coil pack that has to be replaced.If all the possible options checked out ok then check the car starter. The starter gets power from battery to start the care. If the starter is faulty then it will not let the car to start. Also check and confirm that there is fuel in the car. If it very low fuel then in some cases this causes the problem. Also check and confirm that fuel pump is functioning properly and the fuel filter is not clogged. One of the easiest ways to check for a fuel pump related problem is to spray a little starting fluid into the air intake while trying to start the car. If the car starts momentarily, then there's a good chance the fuel pump is not working or the car is out of gas. You can also listen for the fuel pump's humming sound when the key is first turned on. Also if a inoperative fuel pump is suspected, a good technician will always check to verify there is power and ground being supplied to the pump, to eliminate the possibility of a bad relay or electrical issue. Fuel pressure can be checked with a pressure gage and if there is pressure, pulse can be checked at the fuel injectors in several ways including the most common, with the use of noid lights. If the injectors don't have pulse the engine won't start. ---------- This troubleshooting tips will help you to solve the problem.Thanks.Helpmech.

Posted on Nov 12, 2010

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53 focus tdci won't start off key Battery 13.8v Fitted new glow plugs as flashed b4 cutting out Replaced starter Will run if bumped turned off won't restart, will start with few turns if temp is mid


Diesel will run if you have electricity and good compression. If you have no fault codes on the dash and everything is fine it should run. If you are starting it with a tow rather than a bump have the compression checked, have you got the correct oil and enough of it.
RIt may be that the glow plugs do not warm up, you may have changed the plugs themselves but is the circuit that supplies them functioning. I had a Laguna that wouldn't warm the pluds because the harness that distributed power to the individual plugs had a break before plug 1, changed this and bingo!. You should run a full test on the glow plug power. (Having said that , the fact that it does not start when warm indicates that this may not be the caude of your problem.
A compression check is also advisable if you get no joy from the glow plugs. If you are low on compression have your timing belt checked , it is possible it has jumped a little. We had a peugeot that jumped, it still ran, did so for six months , but you could hear the valves hitting the pistons. It would run but not very well, it would not accelerate very well maxing out at 55mph. When I say we, I mean a member of the family I hasten to add. I advised that it be checked out but to no avail. Eventually it was taken to have the head replaced and carried on fine for a couple of years , he had a lucky escape. Have the timing belt checked. Also, have the fuel pressure checked at the manifold, should be around 490-45psi. If it is not have the pump checked make sure the fuel filter is clean, the air filter must be clean too.



For a diesel to run you need duel, air, electricity, the fuel ignites (slowly) because of the compression process, the glow plugs initiate the engine start and then, as the engine warms up, the residual heat helps the ignition process. This is why I am dubious about the glow plugs being the cause, if the engine is hot it will normally run.
There are any number of possibilities. You will have to run through them systematically.
1 glow plugs
2 compression
3 fuel supply
4 air supply
5 compression
6 timing



Also, have the OBD scanned for error codes

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