Better for MOT to just insert blanking plates, but keep the EGR. I did it on an 04 Focus few years ago, and no fault codes so all good. It definitely ran better.
 
just been out.. its 5c.. just noticed the glow plug light didnt come on
do they only work below a certain temp? or does the light only come on to say the plugs are on.. ie.. plugs arent working so light not coming on? if thats the case, should there be an error code?
 
just been out.. its 5c.. just noticed the glow plug light didnt come on
do they only work below a certain temp? or does the light only come on to say the plugs are on.. ie.. plugs arent working so light not coming on? if thats the case, should there be an error code?

I dont really look but have seen it a few times, but it never stays on for long, a few seconds. But I do notice in the colder temps that the time between stabbing the button and the cranking can have a small delay. The light maybe on at this time but I am usually putting on the seatbelt:D.

J
 
I dont really look but have seen it a few times, but it never stays on for long, a few seconds. But I do notice in the colder temps that the time between stabbing the button and the cranking can have a small delay. The light maybe on at this time but I am usually putting on the seatbelt:D.

J
you know me by now.. totally paranoid i'm one step away from a pile of scrap :D
i've seen the light a number of times and it waits to go out before starting, ie the delay you mention. after collecting from garage the other day, noticed lumpy for a few seconds after a cold start, so i went to check it now.. light doesnt come on, volts confirm the plugs arent lit
didnt start as not going anywhere
 
you know me by now.. totally paranoid i'm one step away from a pile of scrap :D
i've seen the light a number of times and it waits to go out before starting, ie the delay you mention. after collecting from garage the other day, noticed lumpy for a few seconds after a cold start, so i went to check it now.. light doesnt come on, volts confirm the plugs arent lit
didnt start as not going anywhere

Let me look see If I can find anything.
Maybe it wont "glow" if you dont stab the button;). Why waste battery if you are only going to get something out of the car;).

J
 
Let me look see If I can find anything.
Maybe it wont "glow" if you dont stab the button;). Why waste battery if you are only going to get something out of the car;).

J
i stabbed, without footonbrake :D thats caused it to light previously

just read.. it wont light if ots only a short 'glow' time presumably you dont need to know your car is operating properly
 
i stabbed, without footonbrake :D thats caused it to light previously

just read.. it wont light if ots only a short 'glow' time presumably you dont need to know your car is operating properly

Common rail direct will not NEED Glowplugs in the uk climate to start like the p38 with indirect injection would depend on them on a cold start to start, hence the short warning time or lack of light showing,
they also get used after start on and off during the warm up stage of the engine to help with and smooth idle control and emissions too,
 
Better for MOT to just insert blanking plates, but keep the EGR. I did it on an 04 Focus few years ago, and no fault codes so all good. It definitely ran better.

Did this on the Freelander we had but that was the vac operated type too. As far as MOT is concerned, you can't see them as they are under the cover and the tester can't remove that. However, as far as my car is concerned the EGR is in fault (drove it last night and it was fine on the way out but after the 3rd start the EML came on). A tester will definitely notice the EML :D. So the net result of this latest fail is that my EGR is failing and blanking it was a folly as. So my choices now are: Replace the EGR(s) or replace the EGR tubes (for aesthetics) and map them out which is cheaper than the replacement. The dilemma there is then a moral one, I don't care if they are mapped out but the next owner might so I'd have to confess to doing it but that all still hinges on an emissions test.

I'm going to be putting a pair of EGRs in this aren't I? [sighs of acceptance]
 
just been out.. its 5c.. just noticed the glow plug light didnt come on
do they only work below a certain temp? or does the light only come on to say the plugs are on.. ie.. plugs arent working so light not coming on? if thats the case, should there be an error code?
On my diesel ford, the plugs run (no warning light but interior lights dimmer and heater fan slow) for up to 20s or so, then hear the relay kick out and I start it. I understand they continue to run after start for a time to aid warm up and emissions? Only ever seen the glow warning for up to 10s when it is really cold soaked, several days non use in sub zero temperature.
 
Guessing the glow plugs aren't working. Started straight away with no delay, light goes plug light and lumpy idle for a few seconds
 
That or the controller has failed very common on a lot of cars too, Mercedes & BMW used to strike the glow plugs up when on boost too to aid with the burn apparently although the concept seems slightly counterintuitive after an intercooler. I know, air and fuel, two different things (before anybody starts) :)
 
That or the controller has failed very common on a lot of cars too, Mercedes & BMW used to strike the glow plugs up when on boost too to aid with the burn apparently although the concept seems slightly counterintuitive after an intercooler. I know, air and fuel, two different things (before anybody starts) :)
Unlikely as it was definitely working before it went to get the tensioner pulley replaced and some air coolant hose or other.. winner of something has not been clipped back properly?
 

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