2003 Toyota Celica "ecu relay" Questions

...ecu fuse in the engine bay cluster
and the starter relay are ok

check for spark at the plugs
and fuel pump is working
the fuel pump has a relay


ECUs dont go bad due to ...

where is the fuel pump located Location of fuel pump relay It is refered to as a circuit opening relay. Located in front of the ecu

...not check you EFI fuse(its near the the battery fuse box)..if the fuse is fine then it might be ur ...

...drive stick & i have access to a good auto very cheap, but whats involved? do i need to change the ECU? The "why bother doing it" answer is really not very helpful to me, sound technical advice

ecu, ignitor, distributor assy, wires, and plugs. Runs great, but intermittently will shut off (no spark) at a light when in drive (cranks, won't start). Battery is good, cranks good, doesn't sputter,

...ECU. I suggest you check the connection to the fan temperature sensor. If it is disconnected the fan will operate. Refit the connector and make sure the connection is making good contact. If the fan ...

...ECU (USED), ignition switch, Distributor. Checked all wires. will restart after playing around in coil area. Verified power is reaching coil. Removed coil and cleaned up grounding point but have not ...

ecu controlls ignition timing. im at a total lose need help timing issue sound correct pull off the front cover to verify cam/crank alignment marks? when you say "new" engine do you me retail "new" or

...the current to the injectors but as its a pulse then use a dwell meter or a scope as i think the ECU could be damaged and its not pulsing the injectors to make them open allowing fuel through ,but ...

...ecu,it does flash sometimes and I can hear the relay work sometimes. I can bypass the fuel pump relay circuit and power up the light and the auto shut down relay clicks Any Suggestions If you hear ...