What sends signals to injectors?
SOURCE: 1996 toyota corolla 1.5l no spark no injector pulse
might be a cam or crank sensor you will need a scan tool to figure this out
SOURCE: 1989 toyota truck, Starts , runs perfect then
make sure your hose from the idle air control (IAC) valve, on the throttle intake, is not leaking. i just went through this myself. it is a small hose that connects to a nipple directly next to the thermostat housing, and the other end goes to the nipple of the IAC. you may not even notice a leak. if this doesnt fix it, the IAC is probably shot. also, make sure your coolant is topped off with the heater on before you do ANY of this. toyotas are seriously "coolant-dependent" trucks, and sometimes that is all that is needed. hope this helps
Erik,
Carlsbad, CA
SOURCE: Fuel Injector cleaner is really advisable to use?
Todays fuel injection cleaners are very safe and i would recommend using cleaner evrey 30,000 miles.:)
SOURCE: where is the flasher on a 1994 toyota previa
The flasher is bolted to the firewall behind the right side of the instrument panel and you can't get to it from underneath the instrument panel. You will have to remove the center console fascia to get to the instrument cover screws and remove the instrument cover. Then you can get to the instrument holding screws and move the instrument panel out of the way. Either a service manual or AutoZone.com will have this information and pictures. Replace the flasher with a genuine Toyota flasher relay. The aftermarket relays might look like they fit but I have found out they don't work properly. The flasher is bolted to the firewall with a 13mm bolt. Take out the bolt and replace the flasher.
SOURCE: 1994 toyota pickup with 22re
HI! The other thing that controls the fuel is the PCM (powertrain control module). The PCM is like the car's brain that when it fails everything else's fail. The PCM has connectivity on all electrical current that runs inside the car including the engine and transmission. Hope this helps and thank you for using FixYa!
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