Author Topic: Help need with starting when cold out (cold start issue 3.0)  (Read 2128 times)

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Plowking

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Hi well this year I broke down and replaced the cold start injector and the switch.
Still no different $360. bucks and no improvement.

What I am wondering is how the two are tied into each other. I have a Haynes manual
and dosent cover the 3vze in the wiring diagram to CPU.  If I go by the 22R layout they both have one pin that ties into the CPU. Help. Had it in dealer 3 years ago and got socked for 3500. Yes the cpu was replaced, and lots of other stuff.

Any info would be appreciated.

The original time sensor 79.6 ohms at room temperature, put in beer fridge freezer it bottomed out at 40.2 Ohms. Respectively between the base and one pin i got 80 Ohms off pin  B was 160 between base and pin 2.
 :help:

Thanks
2008 Dodge Diesel  (Cummins Rule)
6.7 manual quad 8 foot bed H&S delete, banks air box
93 yota 3.0 locked up...
2004 Yamaha Raptor 660R

Plowking [OP]

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Bump I really love cranking this thing for 5 mins when it is below 20 degreesF

Help
2008 Dodge Diesel  (Cummins Rule)
6.7 manual quad 8 foot bed H&S delete, banks air box
93 yota 3.0 locked up...
2004 Yamaha Raptor 660R

junya92toy

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Gas wont atomize at cold temps. You need a block heater, to get the gas back up to normal operating temp
Dr.Maxwe001 well i have a 15 gal compressor now and if I gett he 60  and then use the 15 as a reserve that wil give me 75 gal  thats close to 80 isnt it ?

1990GT50

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Im not sure about the 3.0 but I have the 22re and the coolant temp sensor is something that can cause that problem as well. In the mean time, pick up some starter fluid and pop the intake tube off and spray some through the TB, pop the tube back on and it will fire right up. Saves you, your starter and your battery.

Have you popped the cold start injector off and reversed it to see if it's spraying at all?

Plowking [OP]

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Replaced it with new one, replaced coolant timing sw, checked coolant sensor as well, (not one to cluster) Need to check for fuel with injector. One buddy of mine is betting me the fuel pressure is low but I dont think so New toyota fuel pump installed 2 years ago.
Running K and n open oil servicable filter avoiding the starting fluid.
2008 Dodge Diesel  (Cummins Rule)
6.7 manual quad 8 foot bed H&S delete, banks air box
93 yota 3.0 locked up...
2004 Yamaha Raptor 660R

junya92toy

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At 20 below the gas will have a hard time vaporizing. You burn vapor not liquid.
Dr.Maxwe001 well i have a 15 gal compressor now and if I gett he 60  and then use the 15 as a reserve that wil give me 75 gal  thats close to 80 isnt it ?

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  • Offline Rock Crawl'n
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Crank on it when it's cold for a second or 2, then pop the hood and crack the cold start line (12mm) to make sure you got fuel pressure. If you don't jumper B+, Fp and try cranking on it.
88 4runner , Can-Back, KMA bumpers, sas, 5:29's, 37" MTR's, Aussie, 6" rear Marlin springs, $50 paint job, Thorley and Dynomax exhaust, Body Shutzed the rockers, 3.4 swap,

Plowking [OP]

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OK-no-fuel-getting-through-cold-start-injector-do-have-fuel-pressure-no-space-bar
2008 Dodge Diesel  (Cummins Rule)
6.7 manual quad 8 foot bed H&S delete, banks air box
93 yota 3.0 locked up...
2004 Yamaha Raptor 660R

axled89

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stupid key board  :bananapc:  :attention:   my letters are all rubed off.
i love oregon wheelin.

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  • Offline Rock Crawl'n
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I found this for you. Pretty sure you got a ECT sensor problem, or a wire between it and the ecm. http://personal.utulsa.edu/~nathan-buchanan/93fsm/engine.html
88 4runner , Can-Back, KMA bumpers, sas, 5:29's, 37" MTR's, Aussie, 6" rear Marlin springs, $50 paint job, Thorley and Dynomax exhaust, Body Shutzed the rockers, 3.4 swap,

Plowking [OP]

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I found this for you. Pretty sure you got a ECT sensor problem, or a wire between it and the ecm. http://personal.utulsa.edu/~nathan-buchanan/93fsm/engine.html
You are the man I have been looking for something this comprehensive. This should really help, everything I have found is to the 22R or RE.
Thanks again! Got to find the bad wire..
Will post my findings as I enable myself with the cold here.
Wished I could buy everyone a beer.
2008 Dodge Diesel  (Cummins Rule)
6.7 manual quad 8 foot bed H&S delete, banks air box
93 yota 3.0 locked up...
2004 Yamaha Raptor 660R

 
 
 
 
 

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