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      Posting in General Chat thread.   11/11/2017

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  1. Finally! I've had this same problem for a few years already, not so bad on summer, but this winter has been quite bad. Sometimes didn't start until 5th or 6th attempt. This morning I found this topic and it sounded just like my story. I removed the valve housing and it was clearly the fault, valve got stuck quite easily. I sanded and cleaned it, tried to get it stuck by hands and sanded more until it didn't stuck anymore. Thank you very much for this information, I always thought that there were air in thw fuel line causing problems, never thought of air intake blocked!
  2. Retrofitting Ptc Heater To Mk2

    You are right about calling Focus 2 a modern car.. :) Below is a direct copy from PTC operation description in Etis: When the passenger compartment temperature is set to HI at the climate control assembly or the heater control is set the highest level, the Electronic Automatic Temperature Control (EATC) transmits an “electric booster heater ON” request signal to the Generic Electronic Module (GEM) via the MS CAN bus. If a manual air conditioning system is installed, the signal is transmitted via a conventional cable connection. The GEM switches on the electric booster heater depending on the following parameters: Engine coolant temperature is below 60 °C.Ambient air temperature is below 10 °C.Sufficient generator capacity is available.The electric booster heater consists of three individual heating elements, which are incorporated into a single housing. The electronics of the electric booster heater controls three output stages dependent upon a pulse width modulation signal (PWM), which is generated by the GEM. The output stages switch the three heating elements of the electric booster heater ON or OFF individually, whereby the heating periods of the individual elements can overlap. Due to the variable switch-on duration, continuously variable temperature control is possible. The overall heating power of the three heating elements is linearly proportional to the PWM signal. If the PWM signal is below 10% or above 95%, the electric booster heater is not activated. The electric booster heater is switched off when an engine coolant temperature of 70°C or an ambient air temperature of 20°C is exceeded.
  3. Retrofitting Ptc Heater To Mk2

    Actually GEM uses PTC only if there is enough reserve power in alternator. It won't affect battery charging at any level, voltage is kept over 14 at all times. I have 120A alternator and PTC is ran with only about 20-30% power (at idle) until glow plugs are turned off. Modern cars are very intelligent when it comes to battery charging, you can't use more power than the alternator can supply. Unless car has some DIY circuits which are not controlled by GEM..
  4. Retrofitting Ptc Heater To Mk2

    Actually I have both now.. 5,2kW diesel powered heater AND PTC heater.. Diesel heaters con is that it's quite slow after all. It takes few minutes to start and few more minutes to get to full power. It also transfers heat through coolant so it won't give much heat until the engine is also warm. It's great for preheating if you remember to take care of battery, it gets easily drained if trips are short all the time. It maybe that we are speaking a little different kind of winters, for example 2012 here was -38c. it would be nice to see a petrol Focus which "warms up in minutes" at -38c :)
  5. Hi! I have succesfully retrofitted supplemental heater (ptc) to 2.0 tdci mk2 focus. I tried searching older posts but didn't find anything about retrofiting ptc, so here is some basic info about this mod. What is ptc-heater? -About 1kW electrical heater element -Heats only interior, NOT engine -Fitted on some diesels, mk2 onwards -Located on heater assy, possible to install without removing dashboard Operation: -Temperature controller (manual or automatic) sends signal to GEM when max heat is requested -If ambient temp is low and engine is cold, GEM commands PTC with PWM signal to operate. PTC has 3 resistor elements which are used all together or one at a time, depending on required heating power. You can test GEM before even buying ptc element: -Use Elmconfig to configure HEC and GEM to support PTC heater. -Wait for a cold morning. -Start engine and set heat to MAX. If ambient temperature is below 10 (at least in my case) and engine is cold, instrument panel should give you a message: Aux heater 100%. If you get that message, GEM supports PTC and all you need to do is install it. Installation: -Remove trim panel from footwell side. -Remove bolts 6 and 7. -If footwell light socket is installed, it has to be popped out or reinforcement element 8 won't have enough room to come out -Carefully take reinforcement element out of the way -Remove ptc heater cover retaining screws 10 -Dismantle ptc heater. Remove screws from the plastic cover, open cover and remove all the wires. Put cover back with few screws to cover electronics. This has to be done because element won't fit unless wires are removed or dashboard is removed. -With a litlle force, bend the plastic panel in front of ptc installation hole and slide the element in place. Element has rubber nipples at the other end and heater assy has holes for them. Needs a little patience to get them right. -When element is on its place, unscrew the cover and refit all wires. -Reinstall reinforcement element and attach all wires. -Reinstall trim panel Done! It's actually quite efficient, warm air comes after about one minute after starting engine. Difference is huge, tdci is quite slow to warm up. I don't see any reason why it could not be installed in petrol cars, all the important parts should be the same between diesel and petrol. EDIT: More specific installation instructions and few pictures
  6. Would it be possible to disable EGR from PCM? I hate how it makes tdci engines to judder at low revs.
  7. Welcome to the Ford forums tapiiri :)