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blackwolf

Member Since: 03 Nov 2009
Location: South West England
Posts: 18040

2007 Defender 110 Puma 2.4 DCPU Stornoway Grey

Intemittent starting problem

Over the weekend for the first time ever my 2007 Puma DC was bolshie starting. I would be very grateful for any advice, or to hear if anyone else has had something similar.

First thing Monday morning, vehicle last used the previous evening and parked outside overnight. Insert key, turn till dash lights come on, wait for heater plug light to extinguish, turn to start position, engine starts, release key, engine runs for perhaps 1 sec, 2 secs at the most then dies, dash light display returns to the one you get when waiting for the heater plugs to heat (ie as though the enigne hasn't started at all).

Wait for heater light to extinguish, start engine again, exactly the same thing happens, runs for 1 perhaps 2 seconds and dies. Repeat the whole procedure five times exactly the same each time. On sixth attempt. waggle the throttle vigorously during the short period when the engine is running, this time it picks up and runs normally.

Before and afterwards nothing like this has happened.

Has anyone experienced anything similar? My gut says it is some kind of fuelling issue, or possibly a ignition/starter switch issue (but if the latter why did pumping the throttle make it run - coincidence perhaps).

No MIL light at any time, no other fault symptoms. I am baffled!

26th Apr 2011 8:08am

pom

Member Since: 01 Jun 2010
Location: Worcester
Posts: 1343

sounds like fuel starvation doesnt it. Checked filter and water trap etc ?

26th Apr 2011 8:11am

Grockle

Member Since: 24 Nov 2008
Location: Peak District National Park
Posts: 2266

2008 Defender 90 Puma 2.4 XS CSW Tonga Green

It's the imobilizer, known fault, lock and unlock the truck twice,wait a few seconds then it will fire as normal 2.4 90 XS
1968 1/32 scale Britains 109 Pick up.

26th Apr 2011 8:45am

MK

Member Since: 28 Aug 2008
Location: Santiago
Posts: 2511

2007 Defender 110 Puma 2.4 SW Chawton White

I have the same from time to time. Still do not know how to fix it. Puma 110" SW

.............................................................
Earth first. Other planets later

26th Apr 2011 9:41am

Portafilter

Member Since: 08 Aug 2010
Location: Melbourne
Posts: 27

Starting

I had the same problem along with loss of power for a couple of seconds between 2nd and 3 rd gear.
Fixed it by replacing the fuel pressure reg and the sensor in the fuel pump. As a byproduct it transformed the truck. More power, smoother running and better throttle response. Also way better mpg.
Justin

26th Apr 2011 10:10am

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