Trouble Code P1604 - Toyota FJ Cruiser Forum
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#1 (permalink) Old 02-24-2012, 08:54 PM
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Trouble Code P1604

Hi,

Does anyone know what P1604 is about?
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#2 (permalink) Old 02-24-2012, 09:15 PM
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Hi,

Does anyone know what P1604 is about?
P1604 - "Startability Malfunction"
This trouble code covers a huge area of problems such as, check fuel pump, MAF sensor, Crank Shaft Position sensor, Spark Plugs.


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#3 (permalink) Old 02-25-2012, 09:33 AM
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Re: Trouble Code P1604

I have seen this answer when i googled it. It is too generic and makes no sense to me.

Quick search in FJ Service Manual returned nothing. I guess it tells me I need reset Maintenance Light
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#4 (permalink) Old 02-25-2012, 04:07 PM
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Re: Trouble Code P1604

P1604 sets when your engine takes too long to start. It usually doesn't set all by itself but with other codes. I guess if you had some bad gas or flooded your engine it would set. Do you have other codes besides this one?



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#5 (permalink) Old 02-25-2012, 04:53 PM
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Re: Trouble Code P1604

No, only one. I remember few days ago during my out of state trip to unusual cold weather I had to turn the key 2 times to start engine. It was my mistake, rather than truck did something wrong.
No MIL, just one code and Maintenance Light.

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