4kq no start

[Ben Swann]

On Tuesday, July 30, 2002 5:51 PM, Ragnampiza at aol.com
[SMTP:Ragnampiza at aol.com] wrote:
> just for reference....I just bought a qsw with extensive service history
in
> june .....it was burning at 420ppm on the Co.......my mechanic couldn't
get
> it in tune ......I told him to check the seals.....seals were all bad and
one
> seat was cracked ....it now runs great at 25ppm......all that service( 2
sets
> of cv's) by 4 po's and noone changed these out in 200k mi...It's the
first
> thing to do, then if its a no start , start by cleaning or switching the
> injectors themselves
>
There is no question that refreshing o-rings help, and is inexpensive.
 Replacing injectors OTOH can get expensive if not really the problem.

As bad as they looked, once I found the problem, the injector pattern was
just fine.

Keep guessing. Who wins the lucky cigar today?  Hint: the sensor plate
resisted being lifted when the pump was running.

Ben