What must be done to the fuel system of an E85 compatible when the Engine Control Module is replaced or the learned alcohol content is reset on 2007 Chevrolet Impala?

A vehicle equipped with E85 compatibility requires ASTM gasoline containing 10% ethanol or less during the building process or when replacing an ECM or PCM or resetting alcohol content through scan tool measurements. A system recognition of correct alcohol content occurs only when the engine reaches operating temperature and consumes at least 1 liter of fuel during fuel system replacement with ASTM gasoline. The fuel system operation enables deletion of ASTM gasoline or ASTM E85 following fuel replacement.

OEM 2007 Chevrolet Impala Engine Control Module

Engine Control Computer

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2007 Chevrolet Impala PCM
Part Number: 12678511
$191.75 MSRP: $538.40
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Product Specifications
- Other Name: Module Assembly-Engine Control (W/2ND Mpu); Engine Control Module; ECM; Module, Emission Control System
- Replaces: 12636660, 12607096
- Item Weight: 2.30 Pounds
- Item Dimensions: 8.2 x 7.4 x 4.0 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12678511
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2007 Chevrolet Impala Submodels:
- LS, LT, LTZ, Police, SS | 6 Cyl 3.5 L FLEX, 6 Cyl 3.5 L GAS, 6 Cyl 3.9 L GAS, 8 Cyl 5.3 L GAS
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2007 Chevrolet Impala PCM
Part Number: 12596679
Product Specifications
- Other Name: Module, Emission Control System; Engine Control Module; ECM
- Item Weight: 2.10 Pounds
- Item Dimensions: 7.9 x 5.5 x 5.5 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12596679
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2007 Chevrolet Impala Submodels:
- LS, LT, LTZ, Police, SS | 6 Cyl 3.5 L FLEX, 6 Cyl 3.5 L GAS, 6 Cyl 3.9 L GAS, 8 Cyl 5.3 L GAS

2007 Chevrolet Impala Engine Control Module

With a comprehensive array of OEM 2007 Chevrolet Impala Engine Control Module, from fuel pumps to door handles, our website is a one-stop-shop for your needs. All our genuine 2007 Chevrolet Impala Engine Control Module are backed by the manufacturer's warranty and are offered at competitive prices in the market. Rest assured, you can shop with complete confidence.

2007 Chevrolet Impala Parts Questions & Experts Answers

Q: What must be done to the fuel system of an E85 compatible when the Engine Control Module is replaced or the learned alcohol content is reset on 2007 Chevrolet Impala?
A: A vehicle equipped with E85 compatibility requires ASTM gasoline containing 10% ethanol or less during the building process or when replacing an ECM or PCM or resetting alcohol content through scan tool measurements. A system recognition of correct alcohol content occurs only when the engine reaches operating temperature and consumes at least 1 liter of fuel during fuel system replacement with ASTM gasoline. The fuel system operation enables deletion of ASTM gasoline or ASTM E85 following fuel replacement.