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You must get the engine control computer scanned for fault codes, this is the first thing that must be done before any diagnostics can be done to find the problem that has put the engine in "LIMP" mode.
on Dec 28, 2016
2007 Chevy Malibu won't start, odometer reads error
The odometer will display 'error' if an internal IPC memory failure is detected or if there is a serial data communication fault between the ECM and the BCM. IPC instrument panel cluster .
The communication among control modules is performed through the GMLAN high speed serial data circuit and the GMLAN low speed serial data circuit. The modules that need real time communication are attached to the high speed GMLAN network. The body control module (BCM) is the gateway between the networks. The purpose of the gateway is to translate serial data messages between the GMLAN high speed buss and the GMLAN low speed buss. The gateway will interact with each network according to that network's transmission protocol. Refer to Body Control System Description and Operation
for more information about the gateway.
Your best bet is to take your vehicle to the dealer , sorry !
on Sep 25, 2016
How can we unlock a motor of a 2007 Malibu
It will depend on why it is locked in place. Pull the spark plugs and check for water, also drain the oil and check for water. If this is the case the engine was hydro locked which usually means a bent crank rod and complete rebuild or replacement will be required. Sorry!
on May 05, 2016
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