Will not accept gas when filling on 2002 Chevrolet S10

Why won't my 2002 Chevy S-10 accept gas when filling it up?

by in Monroe, MI on August 26, 2009
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3 answers 6 comments
ANSWER by , August 26, 2009
Is the service engine soon light on?
COMMENT by , August 26, 2009
Yes the service engine soon light is on.
COMMENT by , August 26, 2009
That could give a clue to what the problem is. Knowing the codes could help in the diagnoses of the problem.
COMMENT by , August 28, 2009
What are the trouble codes?
COMMENT by , August 28, 2009
The code is po446 or p0446 it says control system vent circuit malfunction at AutoZone but my Haynes book says the EVAP vent is blocked, where is this vent?
COMMENT by , August 28, 2009
Vehicle Application: 2000 Chevrolet Suburban 1500 5.3L 2003 Chevrolet Avalanche 1500 5.3L, GAS, Vin T 2001 Chevrolet Silverado 1500 4.3L, Vin W, Eng Cfg V6 2003 Chevrolet Silverado 1500 5.3L, GAS, Vin T, Eng Cfg V8 2002 Chevrolet Silverado 1500 5.3L, GAS, Vin T, Eng Cfg V8 Customer Concern: Repeat P0446. The updated vent kit has been installed. Tests/Procedures: 1. Install the scan tool and monitor the fuel tank pressure sensor value to be approximately 1.5 volts and/or 0 inches of water vacuum (+-0.5" H2O). 2. Run the engine at a hot curb idle and view the purge solenoid command. Increase engine speed and the purge solenoid % will increase. 3. Verify the tank pressure sensor value does not go up (a slight increase of approximately 0.5 volts/1" H2O is normal). 4. If the value increases, disconnect the large hose on the canister (this is the vent hose). If the value drops, check for the filter to be plugged or incorrect vent assembly installation. 5. If the value continues to rise, replace the canister. Potential Causes: Canister Vapor Line Vent Vent Control Solenoid Tech Tips: Refer to bulletin #02-06-04-037D - (04/16/2008) for the updated vent kit information. Diagnostic Codes: P0446
COMMENT by , August 28, 2009
P0446 EVAP Vent System PerformancePossible Causes Setting Conditions EVAP vent fresh air hose is clogged, kinked or restricted EVAP Vent solenoid is contaminated, damaged or has failed EVAP Canister plugged or severely restricted Fuel Cap or EVAP Service Port leaking Fuel vapor lines or purge lines damaged or leaking FTP sensor is out-of-calibration, damaged or "skewed" PCM has failed DTC P0106, P0107, P0108, P0112, P0113, P0116-P0118, P0125, P0440-P0453, P1111-P1115, P1120, P1220 and P1221 not set; engine running, ECT and IAT sensors from 39-86ºF and within 16ºF at startup, BARO over 75 kPa, fuel level from 15-85%, vehicle driven to a speed of less than 75 mph, and the PCM detected the fuel tank pressure sensor indicated less than -10 inches H2O for 20 seconds. This code sets in 2 Trip(s). This code will turn on the MIL (Malfunction Indicator Lamp)
ANSWER by , September 24, 2010
ANSWER by , April 07, 2010
your sending unit is probley bad