Question about 2003 Chevrolet S-10
I own a 2003 S-10 PU extended 3 door extended cab 4x4 with the Vortec 4300 V6 engine. We get the Service engine soon light on and it stays on. When we run the diagnostics we get the following error codes:
Evaporative Emission Purge Solenoid control circuit # P0443B
EVAP Emission Sys # P0443B
Those 2 parts have been replaced and still no change in status. Any thing we are missing? any info will help thank you.
had a 97 grand prix and could not get the light out for any period of time, It ended up being the exhaust gas sensor saying incomplete burn due to an intermittent miss, had to change plugs, plug wires and finally injector service but the light stayed out after that, that was a 3.8 V6, hopefully that helps
Posted on Jul 26, 2008
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Posted on Jan 02, 2017
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When the service engine soon light (Also called the check engine light or engine management light) is turned on this is to alert you to the fact that Powertrain Control Module (computer) has detected a failure somewhere in the systems it controls you may not feel any difference in the way the engine runs, this can be the transmission or the engine or emission system, there are fault codes set in the modules memory for these faults. What needs to happen now is to have the powertrain control module scanned with a special tool called an OBD2 electronic engine control scanner or a OBD2 code reader. Once the code(s) are read then you must perform the diagnostics for each code and make the appropriate repairs based on the findings of the diagnosis that was performed, this is called doing "Pinpoint" testing.
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