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Thread: Trouble Code 0452
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11-05-2009, 06:31 PM #1Sr. Apprentice
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Trouble Code 0452
Does anyone have an idea of what to look for?
The "generic" code says Evaporative Emission Control System - Pressure Sensor Low Input
That means nuthin to me ...
Any ideas what I should look for? Is this a big deal?
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11-11-2009, 09:28 AM #2Newbie
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I looked at an OBD II site, that code appears to relate to fuel pump issues. Here's a link to the site
http://www.obd-codes.com/
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11-11-2009, 12:03 PM #3Legend
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You tank has a pressure sensor so the PCM knows when to vent the hydrocarbons. Also the sensor is used to test the tank for any leakage. The testing is often done when the truck is shut off by the way. Common causes are a loose gas cap, bad gas cap, loose hoses, leaks of any kind. If the PCM detects a low input reading from the sensor it sets this code.
Originally Posted by trapper_canada
Does anyone have an idea of what to look for?
The "generic" code says Evaporative Emission Control System - Pressure Sensor Low Input
That means nuthin to me ...
Any ideas what I should look for? Is this a big deal?
Jim
2004 SILVERADO 2500HD LS
Pro Comp Leveling Kit
285-75-16 Cooper ST All Terrains
Pro Comp Programmer
Bilstein Shocks
Linux Bed Liner
Tinted Windows
Other rides:
1967 Landcruiser <350 Chevy>
1970 Camaro
1990 Geo Metro Convertible
2007 FJ Cruiser
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11-13-2009, 09:49 AM #4Sr. Apprentice
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Thanks guys... I'll look into it.
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