90q20v won't start

Kneale Brownson kneale at coslink.net
Fri Aug 12 10:51:42 EDT 2005


Is the 90 like the 4k with a filter in line between the pump and tank?

At 02:29 PM 8/12/2005 +0000, 121040 at comcast.net wrote:
>I pulled the codes with no problem and got 4444.  I am getting a visible 
>spark to the plugs.  Now I have chased it to the fuel pump.  I swapped the 
>relay from another car to make sure that wasn't the problem and got the 
>right voltages at the right times in the relay socket.  I loosened the 
>fittings on the fuel filter and hit the starter.  The pump hums but I don't 
>get anything but a slow drip even when I hot wire the pump right from the 
>battery to terminal 52.  I loosened the supply line to the pump and fuel 
>gushed out. I know the tank is not empty, the first thing I did was add 3 
>more gallons.  Mechanical failure inside the fuel pump?  I am going to check 
>further before I go out and buy a new one.  Maybe borrow the one off the 
>other car.
>
>Thanks for all the suggestions, I was able to eliminate ignition problems.
>Dave
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