Question about 1998 Toyota Tacoma
1998 Tacoma 2.4 engine with 2wd, 5 spd. Stopped for fuel. Moved to air station for low tire, got done, wouldn't start. Replaced fuel pump. No start. Traced wiring to Circuit Opening Relay, crossed up power to pump wires, engine started. replaced COR. Engine starts, 2 seconds and dies. Tried T/S flasher between power and pump wires in COR. Started and ran fine at idle. Started to drive and felt every flash of T/S flasher in fuel system. How do I get it to run (properly) with COR connected? It's used for mail delivery and has 280,000 trouble-free miles on it. ECM or Ballast Resistor you mentioned in another post? I'm getting gray hairs. Any info appreciated.
Check the following:
- Listen to the fuel pump noise under the fuel tank.
- Starter signal.
- EFI relay, under the hood fuse and relay box.
- Fuel pump operation and pressure.
- Regulating valve.
- Circuit Opening Relay (COR) under the dash.
- Check for open in harness and connector between circuit opening relay and fuel pump, and fuel pump and body ground
Hope that works. Thank you for visiting Fixya.
Posted on Mar 20, 2014
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Posted on Jan 02, 2017
97 tacoma 2.4 no power to fuel pump. all fuses good,does this truck have a fuel safty switch and if so where did they hide it?
Posted on Jul 09, 2011
I am not positive how the electronics are routed on a later model truck but I had this same problem on my 89' with a 22re. It turned out that the oil pressure sending unit was in the fuel pump circuit so as to not allow the engine to start with no oil pressure. I changed my sending unit and the truck fired right off. Hope this helps.
Posted on Nov 05, 2008
It may be that the O2 sensor is faulty or contaminated. Another possibility is that after running rich for some time, the catalytic converter is slagged and no longer working properly. Have you been able to get any diagnostic codes from the car's computer? Is the check engine light on?
Posted on Jul 27, 2009
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