Re: Failed emisions test

[Sachelle Babbar <sbabbar@iris.nyit.edu>]

provided that the gauge is accurate, 1.1 is low. I suspect a leaky ic or
ic to tb hose. Just remove everything and see. Try disconnecting the isv.
That very well might be somewhat defective. Remember: once disconnected,
upon reconnection, the engine must be shut off and restarted to get it to
work again. Don't be fooled by good R values of it. I had low boost/high
boost and high emissions because of problems like this.

****************************************************************************
*Steve                                             Sachelle Babbar
*'87  5000CS Turbo 5spd 1.3-2.0 bar             <SBABBAR@IRIS.NYIT.EDU>
*Cockpit adjustable wastegate, AudiSport badge
*
*Disclaimer:"Any information contained herein is based purely on my own
*personal experience and may not necessarily reflect yours. Use caution as
*your results may vary from mine."
********************************************************************************
                                                                               



On Thu, 13 May 1999, JOHN URIBE wrote:

> I recently purchased an 88 5kcstq. The car had failed emisions testing for the 
> previous owner, so I did some minor repairs before making my first attempt. I 
> replaced the spark plugs (bosch platinum 4), and the air filter. I also ran a 
> couple of bottles of techron injector cleaner thorough it. The car still failed, 
> but was better. It failed the hydrocarbons but past for CO (it previously 
> failed both). I then replaced the cap, rotor and plug wires (ran much better, 
> the wires were really bad) and the O2 sensor. The car ran so much better that I 
> thought for sure it would pass, but it didn't. The weird thing is that it 
> failed both CO and hydorcarbons this time.
> 
> What should I check next? I have checked all the hoses for vacuum leaks and 
> they are all in really good shape. I am wondering about the WOT switch. I've 
> read that this is a common part to fail and that it can do some funny things. I 
> am also wondering if my injector seal are leaky (is there a good test for 
> this?).
> 
> Overall the car runs, starts and idles very well. I only get 1.1 bar of boost 
> (would love to get that up!). TIA.
> 
> John Uribe
> 
>