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88 90Q diags
ON my sisters perpetual pain in the a** 90Q, she complains of the check
engine light usually going on and staying on for weeks. And when it is
on, the car occasionaly runs poorly....i.e. in the morning, it will
start, but giving it any gas stalls it until its warm etc etc etc...
ANYWAY, yesterday I dumped the codes on it and heres what I found:
Its a 49 state car so Bently said I have two sets of fault codes. First
being ignition second being FI. I ran the car for a minimum of 5 minutes
which included being over 3k rpm and one WOT. Keeping the car running I
put the fuse in the fuel pump relay for at least 4 seconds and took it
out... the Check engine light flashed a 4444 and according to bentley
that means all is OK with the ignition. I put the fuse in again for the
second set of codes and read a 1111. According to bently that is either
the "fuel injection computer module" or the "Ignition contol module".
Since the first set of codes for the ignition came up OK, I would guess
it to be the former. Now my questions...
1) DId I do it right?
2) Do you agree with the results
3) WHat the *$^@ is a Fuel injection module?
4) WHere is it and how much and does anyone have a spare sitting around
they would part with?
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