fj62 cold start problem (1 Viewer)

Joined
Jan 10, 2014
Messages
69
Location
San Antonio, TX
I live in San Antonio so clearly I'm using the term cold during the summer loosely. I was having trouble starting my fj62 when is been sitting for a number of hours. It would sputter and eventually start and stay running after feathering the pedal for 5 seconds or so to keep it running. I fixed the problem by turning the key to the on position and waiting for about 4 seconds before cranking it. When I do that it will literally crank over 2 cranks and fire right up. I'm assuming I'm having an issue holding fuel pressure so my question is what component in these vehicles is responsible for holding fuel pressure? Is it the regulator, the pump, or something all together different? Thanks
 
Joined
Oct 19, 2013
Messages
2,366
Location
NY
Is it throwing a code?

In the Factory Service Manual (FSM) there are a set of procedures for troubleshooting the EFI system...MAF, TPS, etc.
 
Joined
Oct 19, 2013
Messages
2,366
Location
NY
Isn't there a procedure (involving a paperclip tool) in the FSM to test the OBD to see if it is throwing a code?...whether or not the engine light is on or not?
 

Wile E Coyote

Out in the streets, they call it murder!
Joined
Sep 20, 2005
Messages
3,197
Location
Western AZ
I'm thinking the inability to hold pressure is due to a leak. Check for accumulated dust/gunk around each connection and around each injector, the fuel pulsation damper, pressure regulator, etc.
 

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