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I had the same issue and I chased it for months. In the end, I noticed the cold hot issue and suspected the crank sensor. Bought a new one, fitted it and away she went. What got me was the fact it started and ran hot or cold, but the misfire when hot was as if one spark plug or lead was...

I meant to say, I didn't realise there were differences in the THOR systems... I ordered a sensor off ebay which I saw was for petrol P38's up to 2000. I was informed the sensor I had (wrongly) ordered was for up to 2000, but since my car is a late (September) 2000, it had a totally different...

New Crank Sensor cured my misfires :cool: I videoed the spark testers and it shows the timings are "strange" o_O They flash several times on 3/5 then move to 1/7 then back and forth when in fact, they should "look" as if they are all firing at once :eek: What a difference :) All this time and...

Replaced the coil which appeared to fix #3 misfire... Then it came back :rolleyes: It was a ****part, so it could be that, but I doubt it. I did the MAF, but made no difference as the fault is still there. And including the misfire I have 4 codes MAF, misfire #3, multiple cylinder misfires and...

Replaced the ECU, no change. Checked voltages, no change. I did a live data and at 60mph in 0 degree's Celcius ambient air temp last night, it was showing varying degree's of temperature during a 3 minute recording of between 9C and 11C. That was clearly wrong. It did, however, appear to be...

Pin 1 most definitely "has" 5v and pin 5 has 0 feed either way. My thoughts were that pin 4 needs 5v for pin 5 to complete the circuit for the Wheatstone bridge. So because it has no 5v feed, it's kinda like a tail light circuit where it creates a floating earth.... If I leave out pin 4 (not...

Pin 1 has 5v and pin 4 only has a ground feed with the ign on. I think the LPG muppets mixed up the colours...

Having trawled for ages I found this pic reference and it's looking like I simply need to swap pin 1 & pin 4. Pin 4 is giving me a ground with ign on, so that suggests it's driven from the ECM. And if I give pin 4 it's 5v reference, then pin 5 should come to life :cool:

Well, Faulty coil! Engine would run fine, then under load, bag of bolts in a tumble dryer. New coil sorted that. The MAF. EUREKA! I think.....o_O Nice chap supplied a wiring diagram for the Bosch THOR V8. Pin numbers at the MAF sensor plug: 1 = Air Temp Sensor 2 = 12v 3 = Ground 4 = 5v 5 =...

So, did the deed. Cats were trashed on the left bank and fairly gubbed on the right :confused: Silly me had left the old one unplugged, so when I did the code reading, it read the default thing as Datatek said. Plugged in both old then new MAF and identical readings :( So looking like the plug...

So does that mean it could "still" be a wiring issue? o_O or perhaps the MAF is actually gubbed? I won't know until later. Just finished the cats. Need to put them back on along with the new exhaust system :cool: No cats, not middle box, only rear boxes. Next time my ****y neighbours ****y dog...

Got a loan of a code reader and did my own investigation. I did it cold, engine off and outside temp at exactly 0 degrees Celcius. So after replacing the ECU and fixing the grotty plug, I think the MAF itself is buggered which is somewhat maddening as it cost £170 a couple of years ago o_O...

I was speaking with the local 4x4 guru and he triggered a recent memory whereupon I was driving home and the car was running poorly and got steadily worse on LPG, so I switched to petrol and although it was slightly better, it wasn't by much. But I distinctly recall a heavy smell of burning (hot...

MAF has always been an issue on this car, I assumed its been running a base map. Plug wet with petrol. It was plugged into a £10,000 code reader which categorically stated all sensors within parameters Inc the O2 sensors. The left bank read slightly higher, but within acceptable limits . I...

I've lost the will to live with this damn car :( I just want to fix it and sell it now.... New fueling ECU coded and working and STILL the computer showing a MAF fault. The grotty plug is working, the ECU may or may not have been faulty. But the MAF fault showed with 2 different new Bosch...

I was told earlier that the "new" ECU won't work without being re-programmed :rolleyes: Surely though, it's come off a THOR V8 with identical matching numbers so it "should" be plug & play... I imagine the fuel trims may need resetting though. Can the guru's confirm or deny if this is the...

...the only trouble is I might need a new plug to replace the original one. The fun in owning a british made shed :rolleyes:

New ECU arrived today and every pin is immaculate, so here's hoping that it's going to cure my problem when I go to fit it :)

Get some Red Rubber Grease smeared around the end of the pipe before re-inserting it. The pipe is 6mm so I imagine you'll want "O" rings with a similar inner diameter.

I opened it up and all joints intact. However, I did find a furry bit on top of the board, where one of the affected pins goes down through the board and it was pretty much on top of what looked like a teeny diode or perhaps a resistor (it was hidden under the plastic). I found a bunch of them...