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Discussion Starter · #1 ·
my 1976 datsun 280z will run for two or three days and quit. the motor will turn but will not fire off. i have put new plugs and new coil on it. whenever it is running, it loads up as though the choke is closed. i put an after market electric fuel pump on a few years ago. one person told me some cars will not work properly with after market parts. HELP!!!
 

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107,695 Posts
Discussion Starter · #2 ·
> my 1976 datsun 280z will run for two or
> three days and quit. the motor will turn but
> will not fire off. i have put new plugs and
> new coil on it. whenever it is running, it
> loads up as though the choke is closed. i
> put an after market electric fuel pump on a
> few years ago. one person told me some cars
> will not work properly with after market
> parts. HELP!!!
WOULD LIKE TO HELP, GUY
NEED A LITTLE MORE INFORMATION
HOW LONG HAS THIS BEEN GOING ON?
WHAT IS FUEL PRESSURE KEY ON ENGINE OFF?
WHAT IS FUEL PRESSURE KEY ON ENGINE RUNNING?
HOW LONG WILL FUEL PRESSURE HOLD AFTER KEY IS TURNED OFF?
HOW NEW IS YOUR FILTER?
FUEL PRESSURE REGULATOR VACUUM?
BRAND AND GAP OFF PLUGS?
CHECK FOR RUST AND CRAP IN YOUR TANK, IT HAPPENS
WHEN IT DOES'T START, DO YOU HAVE SPARK; COMPRESSION; FUEL PRESSURE
DON'T FOR GET THIS STYLE OF FUEL INJECTION HAS A COLD START INJECTOR THAT CAN START LEAKING AT ANY TIME
POST MORE DATA SOON
LDB
 
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