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Quick Links: New Speaker Questions Steering rack needing replacement? Driver Side Door Lock Stuck Thermostat Housing and which FIPG to use? Adding USB outlet to cig lighter, wire identification help 1st Gen factory amplifier locations (JBL, non-JBL, all cabs)

Cold start problem 2006 4.7 finally fixed

Discussion in '1st Gen Tundras (2000-2006)' started by MountainMan!, Nov 22, 2023.

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Nov 22, 2023 at 12:04 PM

#1

#1
MountainMan! [OP] New Member

Joined:

Aug 24, 2023

Member:

#102676

Messages:

3

Gender:

Male

First Name:

Jerald

Vehicle:

2006 Tundra

After doing various things I took my Tundra into my favorite mechanic. I had just replaced the EFI relay in the fuse box and all appeared good. While in for unrelated service it acted up again. To make a long story short, he replaced the C/OPN and F/PMP relays also. That combination took care of the problem. I had him keep the truck for 10 days and leave outside in the cold. My problem was definitely cold weather related. While camping in Utah desert as it got colder every morning it got harder to start each morning but always started. After morning start it was always good for the rest of the day.
If you have this problem, replace or swap relays in your fuse box. A month later, all seems to be good.

MountainMan!, Nov 22, 2023

#1

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