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fourspeed

Budding Enthusiast
  • Content count

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  1. Mk2 Focus 1.8 Duratec He - Coolant Temp Problem

    Sweet. Glad to hear your car is resolved. Sent from my iPhone using Ford OC
  2. Mk2 Focus 1.8 Duratec He - Coolant Temp Problem

    First symptom is worst MPG, after long search and change sensors, plugs but still the same. Then i look on the temp and found its 117 which is too cool. First i change the ECT sensor but no luck because its only read the temp. So last thing is thermostat. It looks fine you can't tell it is already broken, weak or not. But after i change it the temp back to normal but i haven't calculate the MPG's. My engine is pinking but its gone after i cleaned the throttle body and put some carb cleaner into plugs hole through the engine piston bore. But i think it has to be done by professional, mine was done by my racer and mechanic friend. He said pinking is caused by dirty engine with carbon, sludge, gum and else. Sent from my iPhone using Ford OC
  3. Mk2 Focus 1.8 Duratec He - Coolant Temp Problem

    That is what i get after thermostat change, 132-135 on short trip which is i believe the optimum engine running temp. Sent from my iPhone using Ford OC
  4. Mk2 Focus 1.8 Duratec He - Coolant Temp Problem

    117 is exactly my test mode read before thermostat change, now i have around 132-135 while driving and the fan has kicked so that will be 92-95 on coolant temp. i pay US49 and yes it is FoMoCo genuine ford.
  5. Mk2 Focus 1.8 Duratec He - Coolant Temp Problem

    Yes i've change it by myself. You have to remove the passenger side's headlight to reach the stat, it located just beside the intake with 2 hoses attached. i open the clamps with pliers then pull the water hose with flat screwdriver. Remember you have to put new half gallon radiator coolant since it will be wasted by the time the hoses removed. Sent from my iPhone using Ford OC
  6. Mk2 Focus 1.8 Duratec He - Coolant Temp Problem

    I am happy with thermostat change. The engine is running smoother, pinking is gone and i think the Fuel consumption is better (i will post the detail of fuel consump later). And i think the coolant temp sensor is just reading the temp not tell the fan to kicks, so it is the thermostat job to do that. i assume the old thermostat's spring is weak or something that causing the fan kicks too early before optimum temp achieved. Sent from my iPhone using Ford OC
  7. Mk2 Focus 1.8 Duratec He - Coolant Temp Problem

    hi, i just read this post and recently i have the same problem. At the first my test mode at lcd cluster reads Head temp at 112C. I've change the Engine Coolant Temp sensor and still the same. I check with OBDII and it says the engine temp is 78C when the fan kicks(that's 40C below the test mode head temp), that's too cool for duratec engine which should be 90 something celcius. My mechanic told me to change the ECT sensor which i already did and not solve the problem. So i try to change the thermostat with the housing because they're built as package. And now the test mode reads 135C which is around 95C on the OBDII. Maybe you should check your thermostat. hope it helps.
  8. Focus 2008 Mk2 1.8 Duratec He Petrol Poor Mileage

    I dont know what's wrong with the car since it already like that by the time i bought it. Brakes are good, no bindings. The torque apps, i have to buy the OBD2 interface also right?the O2 checking is one of my curiosity lists, lol but the price of O2 sensor is not cheap. Im in indonesia. There's several people here drive a 2.0 petrol focus mk2 (mine is 1.8) and they've got average 23-26 MPG so i envy them, they have more power with the 2.0 and better MPG. I Sent from my iPhone using Ford OC
  9. Focus 2008 Mk2 1.8 Duratec He Petrol Poor Mileage

    Update after driving the car, i again tried brim to brim and best is i only get 19.5 MPG. I am now wondering if i should try cleaning the EGR?will it be worth with the risk error appear on the car because i read there's hassle from cleaning the EGR so i have doubt to try it. And i also read of updating ECU sensor will affect performance and fuel economy, is that possible? Sent from my iPhone using Ford OC
  10. Focus 2008 Mk2 1.8 Duratec He Petrol Poor Mileage

    Yes i am still looking for another issue. I will try change the engine oil and filter. And i've noticed that on the hidden menu, there is road speed, engine speed, odo count, which all have zero value is that normal?i only see a/d fuel, engine temp, RAFE, fuel flow, fuel percent that have values. Sent from my iPhone using Ford OC
  11. Focus 2008 Mk2 1.8 Duratec He Petrol Poor Mileage

    Ok here's a little update : - i found out that this 08 duratec engine doesn't have MAF sensor, they use T-MAP sensor instead. I removed it with pain because of the location is very tricky to remove, carefully clean the round brass like tip with WD40 and cotton bud. The T-MAP sensor looks clean when I pulled it out (i've seen the gummy oily tip on the net) - checked the plugs gap and its on 1mm straight so i guess that was correct gap - the job took about one hour with battery unplugged so i thought this will reset the ECU - running test the car and i've got better MPG (just from my feeling for watching the fuel gauge drops), lcd says 19.1 MPG but i also got less power at mid throttle than before. Lcd hidden menu still read engine temp 125C when blower kicks on. Im thinking to change engine oil with fully synthetic 5W-30, i wonder what brand will be best for this engine? Sent from my iPhone using Ford OC
  12. Focus 2008 Mk2 1.8 Duratec He Petrol Poor Mileage

    Ok I'll check the gap also Sent from my iPhone using Ford OC
  13. Focus 2008 Mk2 1.8 Duratec He Petrol Poor Mileage

    I havent change the gap of the plugs, what is the best gap i should have? Yes the battery is silver calcium I will check out Lenny's guide about EGR and i will try to change the oil to make sure, thanks a lot I'll post updates soon Sent from my iPhone using Ford OC
  14. Focus 2008 Mk2 1.8 Duratec He Petrol Poor Mileage

    I search the web and finds that EGR valve is only exist on diesel engine is that correct? I am curious about the engine temp, previous post said it was engine coolant temp which is 40degrees higher than engine temp, so i check again on lcd hidden menu and it says "engine temperature" which is showing 121 C when its hot. One more, if engine oil can make poor MPG, let say i wanna change the oil, what oil is recommended for duratec engine and what is the SAE if the oil should be use? Thanks Jap Sent from my iPhone using Ford OC
  15. Focus 2008 Mk2 1.8 Duratec He Petrol Poor Mileage

    Sent from my iPhone using Ford OC