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Happy new year all - I wonder if anybody here is knowledgable on the AUC engine as fitted to my 2003 Lupo, as I am at a total loss as to what is wrong with mine. A month or so ago it started misfiring. I replaced with a brand new ignition coil, HT leads and spark plugs to eliminate potential spark problems. The misfire remained. With the engine running, unplugging injector 1 does not change the idle. Nor does unplugging the HT lead. So the issue is on cylinder 1. I swapped the injector on cylinder 1 over to cylinder 4. The problem stayed on cylinder 1, so the injector is not at fault. I ran a compression test, and all 4 cylinders sat at 125/126PSI, so it has compression. I read somewhere that the ECU looms can fail and short out, so I began hunting for a Lupo to have a loom off. Yesterday, I found a Lupo with an AUD engine (very similar to AUC) in a local breakers yard, and had the injector loom & fuel rail with injectors off it (same part #), as well as the loom as it runs to the ECU. Today I fitted the replacement injector wiring loom. The misfire remained on cylinder 1. I then fitted the replacement fuel rail & injectors. No change. So, I removed the battery to inspect the wiring which runs underneath. I connected the battery to the terminals using a pair of jump leads. By wiggling the wiring loom, I hoped to isolate any wiring issue. But when I fired it up, it cut out after a second, as it would if I had an immobiliser issue. Even after putting the battery back in, it still wouldn't run. So now, instead of having a misfiring Lupo, I have a non-running Lupo. Having spent a small fortune on air suspension this (last) year, i'm pretty gutted I can't get it running again. Any ideas as to what might be wrong with it would be greatly appreciated. Thanks.
Time Left: 17 days and 23 minutes
Stainless 4 into 1 decat manifold for AUD.AUC, and other 8v fitted to the 6N2, Don't think it will fit the 8v's from the 6N1's It deletes the CAT in the standard manifold & comes with a 5 wire lambda sensor (£60+) £60 collected from MK9 or postage will be +£10 ish ?
- FOR SALE
Hi guys, new to the forums. My polo seems to have some idle issues. Month after I bought the car, I noticed that its idle sound wasnt normal and it has been getting gradually worse. Week ago the engine misfired while I was waiting for my friend from the store. I took it to the shop to get the fault codes. I cant remember the exact codes but it statet that injectors 1, 2, 3, 4 and lambda2 sensor has some problems with grounding (shortcircuit ?). I can provide more information if needed. Thanks in advance. Edit. The car is 2001 1.0 mpi auc
hi guys! so I bought a polo 6n2 (X reg with 78k miles) couple months back, it was a non runner, seller told me all it needed was a TPS (throttle position sensor) so I took it away for near enough £500 so I trailered it home, ordered up a throttle position sensor, and carried on about fitting it, only then did I realise I needed to take the steering column off, but couldn't get the anti tamper bolts off, so ended up taking the dash off. adventually the new tps was fitted, but to no avail. so I got a friend down with his vag com to have a look for me, he told me I had a wiring fault, couple guys on here told me it could be a faulty throttle body, or a fried ecu. ended up going for a second hand working throttle body, but once again, to no avail. turns out it was a ecu, and an unrepairable one at that. so after paying just over £300 just to get the thing throttling again, I was a happy chappy, next was the MOT, which was a nightmare and ended up costing over another £100 (fitted all new parts my self). Once again, happy as larry, finally on the roads! so I gave it a small service just to last me till the end of the month when I got paid. so, the car took me to work and back for one day, went out that evening with a mate, get a few miles down the road, and notice the car was running REALLY rough.... Took the car home, borrowed a friends compression tester as I knew the plugs and leads were fine (new), at which point I found out CYL 1- 7BAR CYL 2- 8BAR CYL 3- 7 BAR CYL 4- Nothing. once again, gutted. so stripped it down to find the cam follower missing, and my camshaft scored to F****! looked at pistons there fine, no excessive play or damage. Turns out its cheaper to just get an engine for her! so anyway, after spending too much on the car in the first place, I now need a new engine. so I've got a couple questions for you guys! 1- Has anyone on here got a 1.0mpi AUC engine for sale? 2- Can I leave the gearbox in when taking the engine out, or does is need to come with it? Ever felt like you've been done over? p-s- sorry about the long story! lol