Over the last few months I've noticed something interesting... On starting the 3.2DiD, the throttle seems to be slightly sluggish for about 3 to 4 seconds. (I only notice this if I'm in a hurry and need to move almost immediately after starting)
It seems to be related to cold as well - didn't have this in summer, and only really happens in the morning on sub 10 degC starts (no problem in evening)
Letting the car idle for 5 to 10 seconds before putting into gear and moving results in normal throttle behaviour.
The delayed throttle response can be described as: revs not picking up on pressing throttle down 10-20%, but pressing down further results in normal response.
It seemed like a minor thing, but reading other posts on injectors and diesel pumps have started to make me wonder.
I'm considering taking my car to Alan Black to test injectors and diesel pump (just preventative since I'm on 120k km - probably a bit paranoid...)
Anything else I should consider?
(I also haven't replaced my diesel filter in 20k kms which includes a botswana trip - should probably do that asap!)
So, I replaced my diesel filter over the weekend - no difference.
Out of in interest, both my Haynes and Max Elleries manual say I should loosen a nut on top of the fuel assembly before priming the filter. Only problem is, mine had no nut...
Wouldn't air still be trapped? Or do the newer models have some kind of valve? (sorry, a bit OT)
Out of in interest, both my Haynes and Max Elleries manual say I should loosen a nut on top of the fuel assembly before priming the filter. Only problem is, mine had no nut...
Wouldn't air still be trapped? Or do the newer models have some kind of valve? (sorry, a bit OT)
Tuinvurk
I think the delay that you are experiencing are normal cold startup sluggishness. Diesel is an oil and if left in the cold are seriously lazy to flow, when cold. Once flow are started the engine and pump warms it up in a few minutes but those first do feel sluggish. Colder climate countries have pre-warmers in the diesel system to counter this but in SA we do without.
On serious cold mornings there are a few petrol stations near me that cannot pump diesel in the early morning due to it becoming too 'thick'. Once they start pumping it also takes ages to fill as the pump has to really work hard to get the thicker diesel out. I think you are experiencing something similar but on a smaller scale.
Try and start your Pajero after it has stood outside on a Lesotho snow weekend! Plumes of smoke and no power for a couple of minutes. Not even enough to reverse it out the driveway!
CATS
I think the delay that you are experiencing are normal cold startup sluggishness. Diesel is an oil and if left in the cold are seriously lazy to flow, when cold. Once flow are started the engine and pump warms it up in a few minutes but those first do feel sluggish. Colder climate countries have pre-warmers in the diesel system to counter this but in SA we do without.
On serious cold mornings there are a few petrol stations near me that cannot pump diesel in the early morning due to it becoming too 'thick'. Once they start pumping it also takes ages to fill as the pump has to really work hard to get the thicker diesel out. I think you are experiencing something similar but on a smaller scale.
Try and start your Pajero after it has stood outside on a Lesotho snow weekend! Plumes of smoke and no power for a couple of minutes. Not even enough to reverse it out the driveway!
CATS
2009 Pajero 3.2 DiDc Lwb GLS (Gen4) - Casper (Starting to grow on me)
2001 Pajero 3.2 DiD Lwb GLS Manual (Gen3) - Snoopy (SOLD but not forgotten)
2008 Pajero 3.2 DiDc Lwb GLS Auto (Gen4) - Silvester (SOLD)
2001 Pajero 3.2 DiD Lwb GLS Manual (Gen3) - Snoopy (SOLD but not forgotten)
2008 Pajero 3.2 DiDc Lwb GLS Auto (Gen4) - Silvester (SOLD)
On my Gen 4 I had a problem where the engine would not respond correctly to the throttle position.
Arnold from CRD recommended I open up the sender unit(the excellerator part) and clean it with contact cleaner as dirt and dust frequently causes these problems on the Gen 4's. It was clean, bright and shiny when I opened it, but sprayed some switch cleaner anyway.
Problem was solved instantly!
I doubt if you have the same issue, but its worth keeping in mind anyway.
Arnold from CRD recommended I open up the sender unit(the excellerator part) and clean it with contact cleaner as dirt and dust frequently causes these problems on the Gen 4's. It was clean, bright and shiny when I opened it, but sprayed some switch cleaner anyway.
Problem was solved instantly!
I doubt if you have the same issue, but its worth keeping in mind anyway.
Masker,
You know how to count beans
If you had a repair shop and somebody walks and he says "something isn't right, please check", will you send him off and say everything is 100% perfect?
If it ain't broke, don't go to a repair shop.
Your owner's manual should say something to the effect that the car should remain stationary until all the systems had been checked and cleared on your dash display. That takes quite a few seconds at least. Slow down man, you drive a diesel
You know how to count beans
If you had a repair shop and somebody walks and he says "something isn't right, please check", will you send him off and say everything is 100% perfect?
If it ain't broke, don't go to a repair shop.
Your owner's manual should say something to the effect that the car should remain stationary until all the systems had been checked and cleared on your dash display. That takes quite a few seconds at least. Slow down man, you drive a diesel
+1 On what Cat said.
Were does your Pajero sleep at night?
I have heard off some people that use boiling hot water from a kettle and pour it over the diesel pump first before they start the car. I dont say try that but to me it says that it must be because of the thicker diesel from being cold.
Were does your Pajero sleep at night?
I have heard off some people that use boiling hot water from a kettle and pour it over the diesel pump first before they start the car. I dont say try that but to me it says that it must be because of the thicker diesel from being cold.
Affiliate Member
try the basics first.
disconnect battery overnight to reset the gearbox INVECS learned pattern.
disconnect battery overnight to reset the gearbox INVECS learned pattern.
Thanks for the feedback.
She sleeps outside, under a carport. So it is probably the cold diesel causing it. But to test I will disconnect the battery tonight.
Roelf, I will take that in the best possible way.
As some Latin proverb says: "a clever man learns from his mistakes, a wise man learns from another's mistakes"
... That, and I suppose I'm paranoid.
She sleeps outside, under a carport. So it is probably the cold diesel causing it. But to test I will disconnect the battery tonight.
Roelf, I will take that in the best possible way.
As some Latin proverb says: "a clever man learns from his mistakes, a wise man learns from another's mistakes"
... That, and I suppose I'm paranoid.
Just some feedback on this. Alan black reckoned the issue is electronic, as he reckons my injectors are 100%.
Was at mitsu yesterday - they reset the 'small quantity injector learning' or something like that. (dont ask me how they knew it was related). Problem seems to be sorted now...
I'll wait for some more really cold starts to confirm
Was at mitsu yesterday - they reset the 'small quantity injector learning' or something like that. (dont ask me how they knew it was related). Problem seems to be sorted now...
I'll wait for some more really cold starts to confirm
Last edited by Gemaskerde Tuinvurk on Thu May 15, 2014 8:43 am, edited 1 time in total.
Karl
Thanks GT, interesting.Gemaskerde Tuinvurk wrote:Just some feedback on this. Alan black reckoned the issue is electronic, as he reckons my injectors are 100%.
Was at mitsu yesterday - they reset the 'small injector quantity learning' or something like that. (dont ask me how they knew it was related). Problem seems to be sorted now...
I'll wait for some more really cold starts to confirm
I presume that this would only apply to common rail diesels?
Also interesting that Alan Black did not suggest / implement this solution, if it is indeed a solution.
Please keep us updated as mornings get cooler.