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RE: no start situation

I agree it sounds like a vac leak, but I have done all of the things you
mention - used propane gas over the lines (no effect), physically
removed michelin man hose and it is in good shape.  

Stephane Livolsi
180 Yorston St
Williams Lake, BC, V2G 3Z1
ph 250-392-2637
fax 250-392-2693

'86 5KTQ stock (if you don't know what it means, you aren't in the club)

>From: 	Robert Myers[SMTP:rmyers@inetone.net]
>Sent: 	October 17, 1999 12:47 PM
>To: 	Livolsi, Stephane
>Subject: 	Re: no start situation
>This still sounds like a vacuum leak problem to me.  How did you search for
>a vacuum leak?  Visually only?  Did you spray ether or other flammable
>liquid/gas over the lines?  Did you pull the "Michelin man" hose for a
>close up in hand visual inspection?  This hose is *notorious* for
>developing leaks in its underside where you can't see them unless the hose
>is out of the car.
>At 01:51 PM 10/17/1999 -0500, you wrote:
>>I have a curious situation that I am hoping listers can help me with.
>>The car is an 86 5KTQ and some of you are probably getting tired of
>>hearing me ask for help but hopefully some day I will be able to help
>>someone else. Fuel economy bites!  16-17 litres/100 km in the city.  7-8
>>litres/100km hwy.  No smell of unburnt fuel in exhaust and I have NEVER
>>seen any dark or black smoke coming out the exhaust.  It really seems
>>the engine is starving for fuel before it starts.  When the car is
>>running well, it sounds really good.  No wheezing as if vacuum leak or
>>blown head gasket.
>>Background is that the car won't hold an idle.  Ignition components are
>>all new, fuel pump is confirmed running well and high rpm power is good.
>> I can get 1.4 Bar at WOT.  Fuel distributor buzzes nicely and air and
>>fuel filter are new.  
>>This car has always had a hot start problem and here is how I got around
>>it.  I wired a momentary contact switch on my dash which is spliced into
>>the cold start valve circuit.  When it wouldn't start (hot) I hit this
>>switch, which gives it a shot of gas through the intake manifold and it
>>would start and run fine.  Now, I need to hit this switch to start the
>>car EVERY TIME - hot or cold or in between,  and once it starts, I have
>>to keep my foot on the gas or it dies.  I have extensively searched for
>>vacuum leaks and don't think that's the problem - unless there are some
>>vacuum lines I haven't found. 
>>Here are a couple of curious things:
>>1. The car won't start by just turning the key and pressing the gas
>>pedal.  However, if I 'prime' it with my cold start valve, it will start
>>and keep running if I give it gas through the pedal. Also, it runs very
>>roughly up to about 2500 - 3000 rpm with no engine load.  It runs
>>smoothly under load. Why will fuel get to the cylinders after it's
>>running, but not before?  Residual fuel line pressure, maybe? but then
>>why won't it hold idle once the fuel pressure gets built back up?
>>2. When I turn the climate control on to lo, auto or high, the engine
>>will idle, although it is a very high idle (2500-3000 rpm) Also, I can
>>hear the climate control switching flaps every once in a while.  The air
>>usually only comes out the defrost and floor, but will switch to dash
>>and then back again all by itself.  The fresh air flap (behind the glove
>>box) vacuum connection was broken and I plugged the vac line.  Does the
>>climate control run off of engine vacuum, or a separate vacuum motor
>>like the cruise control?
>>TIA, everyone
>>Stephane Livolsi
>>180 Yorston St
>>Williams Lake, BC, V2G 3Z1
>>ph 250-392-2637
>>fax 250-392-2693
>>'86 5KTQ stock (if you don't know what it means, you aren't in the club)
>   Bob
>* Robert L. Myers  rmyers@inetone.net          Home 304-574-2372      *
>* Rt. 4, Box 57,  Fayetteville, WV 25840 USA   WV tag Q SHIP          *
>* '95 urS6  Cashmere Grey - der Wunderwagen    ICQ 22170244           *
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