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my tdi 1z is over revving constantly. undriveable help!!!!!!
Posted: 30 Sep 2007, 15:25
by jimmypatch
Hi
my t25 has a 1993 audi 80 tdi 1Z. I had the engine put in by what i thought was a professional. I got 70 miles down the road after picking it up from conversion and the engine started over revving uncontrollably. I thought the turbo had blown so i had it recon'd but after fitting it back on the engine still revs uncontrollably any ideas please?????????
Posted: 30 Sep 2007, 15:40
by toomanytoys
Er... shouldnt you complain to your "installer"?
Checked the throttle is actually returning and nothing obstructing it?
Posted: 30 Sep 2007, 16:09
by jimmypatch
the throttle is a fly by wire type with a resistor.
Posted: 30 Sep 2007, 16:12
by Simon Baxter
Take it back.
Posted: 30 Sep 2007, 16:13
by toomanytoys
Mmmm...
re arrange these words....
Worms, of, open, can, a
You may get some assistance in the alternative engines forum, but I think if you have paid good money for the conversion you should be speaking to the converter...
Prob some wiring/sensor/noise issue....
Posted: 30 Sep 2007, 16:22
by Simon Baxter
Why does it have a resistor? or do you mean potentiometer?
I have seen some really, really gash TDI instals, and AAZ instals come to think of it, Infact, I would say most are gash.
It depends who did it, I have seen all sorts of "special" wiring, badly placed intercoolers, wires draped left right and centre, throttle pots on the bulkhead in the engine bay and "special" brackets.
If it was a "proffesional" you should have some recourse and some warranty.
or if it was some bloke on his drive and a big bag of scotch locks and a welder.....
Posted: 30 Sep 2007, 16:23
by jimmypatch
the guy who did the conversion is 130 miles away. he's does not seem interested in the problem.
Posted: 30 Sep 2007, 16:26
by jimmypatch
Yeah sorry it's got a potentiometer. The driveway cowboy with scotch locks sounds bang on. he's based in louth lincolnshire. I have got a special bracket on the bulkhead for the throttle..
Posted: 30 Sep 2007, 16:33
by Simon Baxter
Has be been clever enough to leave the diagnostics socket for you to plug it in and read fault codes?
Posted: 30 Sep 2007, 18:38
by jimmypatch
ive got the ecu complete. but thats about it. no OBD port
Posted: 30 Sep 2007, 18:40
by jimmypatch
someone hs said it might be diesel run away. where oil is being burnt. could get in from a crank case ventilation.
Posted: 30 Sep 2007, 18:51
by Simon Baxter
Does it smoke a lot?
Posted: 30 Sep 2007, 18:51
by Simon Baxter
No OBD port.
*tsk*
Posted: 30 Sep 2007, 18:55
by jimmypatch
yes it smokes loads
Posted: 30 Sep 2007, 18:56
by Simon Baxter
Drop the oil and filter and pour in 4.5l and ignore the dipstick.