rough idle & stalling, Help?

[quk@isham-research.demon.co.uk (Phil Payne)]

In message <34036D6B.51B90BAD@netpci.com> Mark & Michelle Sousa writes:

> All was okay when I replaced my crankcase hose. I was able to remove
> the dipstick and the engine would recover. Now all is bad, sometimes she
> can barely recover and sometimes she stalls.

What's 'bad' about that?  It _should_ stall.

A lump idle, however, _is_ a problem that needs investigating.
 
> Last but not least I continue to have my hardstart problem (after I
> replaced the
> check valve the engine began stalling right after startup). Is there a
> component,
> that is related to all this (besides the fuel check valve)?
> 
> I have replaced the following:
> 
> 1. ISV
> 2. Plugs (tri-electrode)
> 3. Plug wires/distributor cap&rotor
> 4. Fuel check valve
> 5. OXS
> 6. Timing belt
> 7. Temp sensor
> 8. Crankcsae hose
> 
> Mark (dazed and confused but beginning to get annoyed)

Can you check the ISV controller diagnostics I posted a day or so ago for 
relevance to your car?  You've obviously checked that the idle switch is 
actuating properly ... ? 

-- 
 Phil Payne
 Committee Member, UK Audi [ur-]quattro Owners Club