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GM_MASTER_DENNY, GM and ASE Master Tech/Shop Foreman
Category: Chevy
Satisfied Customers: 178
Experience:  Over 15 years experience in automotive repair. GM Mark Of Excellence Winner for several years.
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2006 impala: 026: Intermittent MIL/Check Engine Light..DTC..stalling

Customer Question

2006 impala check engine light on, ENGINE HOT AC OFF MESSAGE....performed this re program #08-06-04-026: Intermittent MIL/Check Engine Light On, DTC P0128 Set (Reprogram PCM) - (Apr 17, 2008)

now engine is stalling and wont stay running
Submitted: 7 years ago.
Category: Chevy
Expert:  GM_MASTER_DENNY replied 7 years ago.
Is there a security lamp flashing? It could be the security system fuel pump disable feature. If the passlock sensor reads the incorrect or has a missing key code, it disables the fuel pump. I recommend having it scanned for trouble codes first.