Check the injectors for operation and spray pattern?

Steven
91 Westy

On Mon, Dec 12, 2011 at 1:07 PM, Joel Cort <joel_cort@yahoo.com> wrote:

> Sorry for cross posting but there are experts on both lists.
>
> It really sucks when you are the mechanic and you don�t know what to
> do.... so with my tail between my legs I turn to these forums for any
> assistance.
>
> I have an 89 Syncro Westy with the stock Boston Bob 2.1 Liter gasoline
> engine with about 20K miles on the clock.
>
> Symptoms are that it start fine, idles fine, revs up fine without a load
> and with a load it dies out at about 3000 RPM.  So about when you engage
> 3rd gear to get going ..... Nothing and it loses power from there.
> Luckily I am in my driveway and not somewhere on the road in Wyoming.
>
> IT was suggested to me, by several mechanics on site at Westies at
> Watkins, who know more than me, to check the air intake, the fuel pressure
> or I may have a plugged muffler/catalytic converter.
>
> OK All good areas to focus on so the first thing I did was change the fuel
> filter.  No changes and I went from there changing and swapping one
> component at a time and going for a test drive.  Here is every component
> that I have changed, tested, adjusted, syncro-nized and still I get no
> satisfaction.
>
> 1.      Fuel filter - new
> 2.      Fuel pump - swap
> 3.      Fuel pressure regulator � swap
> 4.      Ground wire checked and cleaned
> 5.      Temp II sensor - new
> 5.     Air Flow Meter � swap  PS (I have the Vanagon Syndrome capacitor
> soldered into the AFM plug)
> 6.     Air intake boot � swap - sucks plenty of air just fine
> 7.     Throttle body cleaning and new seal
> 8.     New vacuum rubber hoses
> 9.     Air filter - new
> 10.   Spark plugs - new
> 11.   Spark plug wires - new
> 12.   Catalytic Converter � see through baffles relatively new
> 13.   Muffler � relatively new � no mouse nests
> 14.   Oxygen Sensor - relatively new
> 15.   ECU - swap
> 16.   Distributor - swap
> 17.   Coil � swap with another green coil
> 18.   Timing � set per Bentley
> 19.   Fuel lines replaced last year
> 20.   good exhaust manifolds, no leaks
>
> It's a real bummer; man!
> The only other thing that I can think of is to swap out the idle computer
> module behind the taillight since the sensors and ECU connect in on this
> and it may send  goofy signals to the ECU at various times.
> Also I have not messed with the charcoal canister and that section of the
> fuel venting system. Should I?
>
> I will stumble down to the gas station and refill the tank with good high
> grade gasoline just in case there is some bad fuel as well.
>
> Are there any other things that I have missed?  Any help or suggestions or
> areas to re evaluate will be considered.
>
> Thanks,
> Joel Cort
> Rochester NY
>
> jcort@rochester.rr.com
> joel_cort@yahoo.com
>
> 89 Syncro Westy (VanGo)
> 87 Syncro Transporter (Stella Blue)
> 73 Westy Campmobile (Agent Orange)
>
> Western New York LiMBO Representative www.limbobus.org
> Founding member of the Empire State VW Camping Club
> www.empirevwcamping.org
> Westies@Watkins XI is planned for September 21-22-23, 2012
> www.westies-at-watkins.org
>