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SD4 Engine flat spot
wungun
 

Posts: 43
Joined: Apr 2018
Location: Kitchener Ontario
Post: #51
RE: SD4 Engine flat spot

Have you checked the spark plugs? What's your mileage?
I replaced mine last week (and air filter) with 118,000 KM and it fixed the stumble/hesitation leaving a stop.
18-04-2019 12:25pm
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Steve D
 

Posts: 398
Joined: Jul 2015
Location: Essexshire
Post: #52
RE: SD4 Engine flat spot

(15-04-2019 08:05am)carlos50 Wrote:  Tried the reset, it didnt cure the problem. I also changed the MAF sensor last week, its helped, as has the new air filter, 99 octane fuel, a bottle of Techron fuel treatment etc. but still have a definite problem with anything but the lightest throttle use.

If you’re using 99 octane fuel in a SD4 engine or changing spark plugs, you’ve got a major problem! Laughing

Santorini SD4A Dynamic Lux with shadow chromes, ebony leather and privacy glass. Very Happy
(This post was last modified: 19-04-2019 08:40am by Steve D.)
19-04-2019 08:34am
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XFullFatTim
Bat wielding forum enforcer

Posts: 9,232
Joined: Oct 2010
Location: Somewhere between here and there.
Post: #53
RE: SD4 Engine flat spot

OP does say in his post that he has an Si4 Steve.........

Now driving a 2018MY Mini Countryman Cooper S E All4 PHEV, alongside my 1996 Defender
TDi300. I hope to be back in a new Land Rover in late 2019 or early 2020 but am having a short break
To try something different
20-04-2019 10:01am
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Steve D
 

Posts: 398
Joined: Jul 2015
Location: Essexshire
Post: #54
RE: SD4 Engine flat spot

He doesn’t Tim. In fact, this was his last post.

(29-07-2013 12:20am)Stufrost Wrote:  OK -Useful feedback. I'm going to buy the 'chip my diesel' chip at A$400. Don't feel I should have to given its a problem that shouldn't be there and the car's just a year old but I'll do it anyway and let you know the results on these pages.

Edit: Ah, just read the whole 'SD4 Engine flat spot' thread. Just seen Carlos 50’s post. He wasn’t the OP but jumped in on the thread later. I didn’t see his first post in this thread stating what engine he had.

Santorini SD4A Dynamic Lux with shadow chromes, ebony leather and privacy glass. Very Happy
(This post was last modified: 20-04-2019 09:32pm by Steve D.)
20-04-2019 09:26pm
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XFullFatTim
Bat wielding forum enforcer

Posts: 9,232
Joined: Oct 2010
Location: Somewhere between here and there.
Post: #55
RE: SD4 Engine flat spot

Sorry I thought you were referring to Carlos50

Now driving a 2018MY Mini Countryman Cooper S E All4 PHEV, alongside my 1996 Defender
TDi300. I hope to be back in a new Land Rover in late 2019 or early 2020 but am having a short break
To try something different
Yesterday 08:23am
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