no power

[Kneale Brownson]

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Fuel Issues?  Is pump running?  Is pressure output correct?

At 10:06 AM 04/13/2002 -0600, JD wrote:

>Please help me figure out what to test next.  My 87 5000cstq was running
>great- then a slight miss at low rpm high load -then terrible misses and
>no power at all.   When throttle wide open no boost and no power and a
>violent vibration . I have done the following and have not resolved
>problem-  compression check-100 psi at 8000 ft .  no vacuum leaks - took
>all hoses and  intercooler off and checked for leaks,  changed rotor and
>cap- all cylinders have spark at least thru wires as shown by timing
>light on each one.  cam timing mark at proper point when tdc.
>Took front cat off and no evidence of plugged nor melted- I am assuming
>downstream not restricted,  turbo does not have excessive play and does
>spin free by hand.  fault code 4444 only-(no faults)  What am I
>missing?????  Thanks---- John Dyer
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