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 TDV8 4.4 Misfire Problem ??
RR2010tdv8

Post11th Jun 2024 8:41am
Forum: Technical (L322) · Replies: 14 · Views: 2121 · Subject: TDV8 4.4 Misfire Problem ??
SOLVED. It was some problem at the fuel tank end with the 2 senders - garage fixed it up and running fine now!
 TDV8 4.4 Misfire Problem ??
RR2010tdv8

Post13th Mar 2024 11:27am
Forum: Technical (L322) · Replies: 14 · Views: 2121 · Subject: TDV8 4.4 Misfire Problem ??
Is it this?
IIDTool BT G3 for 514 euro ?
 TDV8 4.4 Misfire Problem ??
RR2010tdv8

Post13th Mar 2024 9:44am
Forum: Technical (L322) · Replies: 14 · Views: 2121 · Subject: TDV8 4.4 Misfire Problem ??
Thanks, GraemeS..

Good points. Sampling seems to be around 10Hz and you're right the device isn't giving me enough x or y resolution.

Is there a well known failure mode here ? ie 900, 900, 0, 90 ...
 TDV8 4.4 Misfire Problem ??
RR2010tdv8

Post12th Mar 2024 4:00pm
Forum: Technical (L322) · Replies: 14 · Views: 2121 · Subject: TDV8 4.4 Misfire Problem ??
I took a trace using the OBD tool and I never see the rpm going to 0.

So I guess it’s not the CPS failed.

Maybe a blocked injector due to running the tank empty?
https://www.fullfatrr.com/gal ...
 TDV8 4.4 Misfire Problem ??
RR2010tdv8

Post11th Mar 2024 2:00pm
Forum: Technical (L322) · Replies: 14 · Views: 2121 · Subject: TDV8 4.4 Misfire Problem ??
Interesting point about using good diesel and an additive.

At the moment I'm wary of driving the car to fill up in case there's something bad happening - my googling quickly found stories of stuck ...
 TDV8 4.4 Misfire Problem ??
RR2010tdv8

Post11th Mar 2024 1:24pm
Forum: Technical (L322) · Replies: 14 · Views: 2121 · Subject: TDV8 4.4 Misfire Problem ??
Nice - I see my device has a RPM graphing option - I'll try that next!
 TDV8 4.4 Misfire Problem ??
RR2010tdv8

Post11th Mar 2024 9:37am
Forum: Technical (L322) · Replies: 14 · Views: 2121 · Subject: TDV8 4.4 Misfire Problem ??
GraemeS

Thanks - for the tip - I'll try - can I do this with a cheap OBD monitorr? Mine has a graphing function I think....
 TDV8 4.4 Misfire Problem ??
RR2010tdv8

Post10th Mar 2024 5:06pm
Forum: Technical (L322) · Replies: 14 · Views: 2121 · Subject: TDV8 4.4 Misfire Problem ??
Hi All

My 2010 TDV8 4.4 is now suffering from a bad misfire/stumble...

At idle approximately every second it 'stumbles'/drops revs a little. This pattern is the same when driving - every second ...
 
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