 | Home > Puma (Tdci) > Turns over but wont fire up |
 
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| Doodlefish Member Since: 18 Nov 2021 Location: United Kingdom Posts: 54  |
MAP sensor reading seems fine.
I have noticed an alarming problem which may be the reason for all my issues. https://www.defender2.net/gallery/albums/u...WA0006.jpg This image appears to show a curve in the left side edge of the intercooler. If this isn't usual, I may have a seam that has split. Any ideas? |
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6th Dec 2021 3:19pm |
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| wee-man Member Since: 27 Jan 2019 Location: IP14 Posts: 37  
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Not sure if it's of any use but my 2.4 developed starting issues very similar to yours, turning but not firing. Mine was failing to restart until such time as it had had a chance to listen to me swearing at it, wiggling wires and relays and on one occasion an old lady strolled over and asked if she could help then it burst into life.
After a few red herrings I changed the crankshaft sensor and it's back to its old self now, I got hold of a Ford one at a reasonable price to see if it was the problem and it worked. The fault was always repeatable and has gone away now. There is a procedure for replacement, it doesn't take more than a few minutes to change and in my case was worth it. |
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6th Dec 2021 5:27pm |
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| Doodlefish Member Since: 18 Nov 2021 Location: United Kingdom Posts: 54 |
Have you got the number of the old lady? she can have a quick look and fix mine if she's local.
The fault codes dont seem to be related to the crankshaft sensor and i have replaced all the others. I'll bear it in mind but first I think a big bend in my intercooler looks favourite now. Anyone have an idea the best replacement? May be opportunity for an upgrade perhaps? Thanks for the advice. |
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6th Dec 2021 10:14pm |
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| Ianh Member Since: 17 Sep 2018 Location: Essex Posts: 1763
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If it is the intercooler, and you want an upgrade, have a look at the bell auto services one. https://bellautoservices.co.uk/store/b-a-s...tercooler/
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6th Dec 2021 10:20pm |
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| Doodlefish Member Since: 18 Nov 2021 Location: United Kingdom Posts: 54 |
I am tempted, but with the current aggravation and the possible requirement to need re-mapping I am nervous about doing anything but replacing with standard. One of the issue coming up on the diagnostic is the EMC insisting the outside temperature is -40C deg. Very Odd. Maybe thats the default when the intercooler is split...
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6th Dec 2021 10:25pm |
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| LandRoverAnorak Member Since: 17 Jul 2011 Location: Surrey Posts: 11240 
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There is no need to have anything remapped to fit an uprated intercooler. You might not be maximising its potential but it will work in exactly the same way as a standard one. I've had one fitted for more than two years whilst running the standard mapping. Darren
110 USW BUILD THREAD - EXPEDITION TRAILER - 200tdi 90 BUILD THREAD - SANKEY TRAILER - IG@landroveranorak "You came in that thing? You're braver than I thought!" - Princess Leia |
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6th Dec 2021 10:34pm |
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| wee-man Member Since: 27 Jan 2019 Location: IP14 Posts: 37
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I was too embarrassed to exchange details. Failure #2 was on a garage forecourt, just as the police motorcycle training course popped in to fill up. They offered a push - I have their number if you need it ? Mine showed no fault codes. No idea why but thankfully it was the fix for mine. Good luck ! |
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6th Dec 2021 11:13pm |
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| Doodlefish Member Since: 18 Nov 2021 Location: United Kingdom Posts: 54 |
This is the seam of the intercooler. Must be the root of my problems. New one in now but some final bits to sort before test.
 Click image to enlarge |
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10th Dec 2021 9:26pm |
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| dorsetsmith Member Since: 30 Oct 2011 Location: South West Posts: 4554 |
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10th Dec 2021 9:47pm |
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| NickMc Member Since: 01 Oct 2014 Location: Norn Iron Posts: 1570  
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Looks like you’ve found it but yes split intercoolers are common to see on the 2.2. Tend to split in the bottom though. Make sure your mounts are in good condition and lined up right.
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16th Dec 2021 11:55pm |
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| Doodlefish Member Since: 18 Nov 2021 Location: United Kingdom Posts: 54 |
So...new intercooler in and drove great for about 20 minutes before the dreaded yellow EML of Terror blinked to life. Limp mode back to the drawing board.
I am hopeful that this is a moment when someone joins this conversation to tell me that I have to let the EMC "re-learn" the new setup. Quick synopsis - New air filter, new silicon pipework, new MAF sensor & connector, new air charge sensor and new intercooler. What the hell does triggers broom need now? Although for those who have followed this thread in detail, the -40 deg outside temp is now showing air temps of 16 deg which is about right. Any (more) ideas? |
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17th Dec 2021 1:39pm |
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| Ianh Member Since: 17 Sep 2018 Location: Essex Posts: 1763
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Which fault codes are coming up now? . Have any of the hoses come a little loose now you have changed the intercooler and gone for a 20 min drive ? When you changed to silicon hoses were all replaced or are some original?
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17th Dec 2021 6:47pm |
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| dorsetsmith Member Since: 30 Oct 2011 Location: South West Posts: 4554 |
with all the DTC to stat with P0250 fuel metering - P0101 MAF intake temp high voltage - p0193 fuel rail presser sensor.
have your check that your engines wiring loom hasten been damage in some way as looking up work shop Manuel for these DTC posable cores - open CCT wiring or shorted to power wiring for high voltage intake temp cace in point and witch DTC are showing now post inter cooler repayment  |
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17th Dec 2021 9:22pm |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 19578
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Are the wires entering the MAF sensor all good and not damaged?
As above, I would look into that and possible fuel rail pressure sensor replacement. Suppose the VCV is relatively new? Is there any leaks around the injectors at all? Nothing loose in the vicinity? Are the VCV and fixings secure, inc ‘O’ ring? The fuel pump, could be a possibility that it’s not producing the high pressure side. Though I only know there is a low and high pressure side to the fuel pump, my knowledge beyond that is out of my scope of knowledge. The fuel system on the Puma is fairly complicated and technical. Diesel$ Live$ Matter. ⛽️🛢️👨🔧🧰⚙️ RED, WHITE & BOOST! 🇬🇧 |
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17th Dec 2021 10:15pm |
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