PHP chip installed, truck won't start
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Senior User
Joined: Feb 2010
Posts: 236
Likes: 0
From: Whitewater, WI
PHP chip installed, truck won't start
Just got my chip the other day and installed the chip after using a brass brush to clean the connection. Now the truck won't start with the chip in, but starts fine with no chip. Tried to reinstall the chip after more cleaning, still no start. Also the service engine soon light comes on (and stays on) with the chip installed. What's the problem here?
Don't take this thread the wrong way, I'm not a dissatisfied customer; I'm probably doing something wrong here. Any advice would be welcome
Don't take this thread the wrong way, I'm not a dissatisfied customer; I'm probably doing something wrong here. Any advice would be welcome
Senior User
Joined: Jan 2008
Posts: 339
Likes: 2
From: Upstate NY
Does the wait to start light come on while the chip is installed when you first turn the key on? - If not you need to clean the contacts a bit more.
Did you install the chip with the key in the ignition?
Did you install the chip with the key in the ignition?
Butt-Head
Joined: Apr 2004
Posts: 9,437
Likes: 2,925
From: Reed Point, MT
Use a toothpick to get the silicone out from between the PCM board contacts. You CAN use the scotch-brite to rough-up the contacts a little. The brass brush will take most of the silicone off, but in my experience it won't take it all off. If you have greasy/dirty hands, just wipe your fingers on the contacts....the silicone will absorb any of the dirt that might be on your hand (like touching the sticky side of scotch tape) and you will EASILY be able to see where there is still silicone on the contacts. Hold the PCM contacts up to a light and look across the contacts....the silicone will stick out like a sore thumb.
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