[Vwdiesel] smoke/stumbling on startup

[Shawn Wright]

Did you check the injectors for break pressure and spray after rebuild? My 
'82 had these symptoms before I replaced the injectors, and new ones 
cleared it right up. You didn't say how long since the re-ring, maybe not 
seated yet? Others will know better than I in this area....

On 25 May 2006 at 11:10, david hardy <david at planetmind.net> wrote:

> Maybe someone can give some clues to what might be going on with my '81
> Caddy...I just put it back together after re-ringing and a valve job, and it
> smokes a ton of blue smoke until it gets hot, esp. when revving the engine.
> Idles OK, and starts fine. But when you increase RPMs to about 1500, it
> stumbles/misses, and smokes blue until warm. When it gets fully warm, it runs
> fine, doesn't smoke, decent power.
> 
> Engine has 153k, glow plugs are new. I just rebuilt injectors, inj. pump is from
> another vehicle that was running fine on it. No air in fuel lines. Cam timing is
> right on, inj. timing is at 1.0mm (retarding slightly doesn't help). No blowby
> from valve cover cap. Compression is 375,435,435,390b cold.
> 
> Anyone have any suggestions? Thanks.
> 
> -David
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Shawn Wright
http://members.shaw.ca/vwdiesels
'88 Westy 1.6TD 5 speed
'85 Jetta Diesel 1.6NA