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2011 Chevrolet Impala - Page 8 Questions & Answers
My 2003 Impala's cabin heater is barely working. I took it in and found that I need new engine coolant lines. Would this cause a faulty heater? I am also thinking it could be the resistor or heater core.
The heater core is warmed up by the engine coolant. Usually there are two main coolant lines from the radiator to the engine and return from the engine to the radiator. Also there are two other coolant lines that supply warm coolant to the heater core and return it to the water from the engine.. So yes it could be that your car needs a new coolant line or both if the existing ones are bent or plugged(this is rare. But possible).
You can visually inspect the plastic hoses that supply the heater core to see is they are bent. And if possible when the car is fully warmed up and the heater is on at max heating capacity. You can touch both hoses that go into the firewall to check if they are both hot. (Very hot. But bearable) if only one is hot. That means there is an obstruction (hose would be plugged or heater core itself could be plugged). If both hoses are hot. Then the issue could be at the vent diverters behind the dash.
What does a PO62F EEPROM Error mean in a 2012 Impala LTZ mean?
DTC P062F: Control Module Long Term Memory Performance
Circuit/System Description
This diagnostic applies to internal microprocessor integrity conditions within the engine control module (ECM) and the throttle actuator control (TAC) system. This diagnostic also addresses if the ECM is not programmed.
The ECM monitors its ability to read and write to the memory. It also monitors a timing function. The ECM and the TAC processors are used to monitor the TAC system data. Both processors monitor the other processors data to verify that the indicated APP calculation is correct. The ECM performs an intrusive test in order to confirm that the APP signals are not shorted together. The ECM accomplishes this by pulling the APP sensor 2 low momentarily and looking for sensor 1 to also be pulled low.
P062F
The ECM did not complete the last electrically erasable programmable read only memory (EEPROM) write event during the last ECM power down. This diagnostic runs once per ignition cycle at power up.
Your best bet , take it to a qualified repair shop
Remote starter sounded like it shorted out- which caused the malfunction light to come on —2015 Chevy impala limited- is it a module replacement or short in wire going to battery possible
No probably not, someone other than an authorized alarm installer installed it and thats why you have an issue- the main issues is alarms and especially remote starts gains access to very powerful parts of your car and if connected and fused correctly would cause no damage to the car but will rarely fail. If in fact it is plugged up correctly then you have nothing to worry about unless it has a kill switch the car should operate normally without the remote start. If you do have a kill switch and the alarm was engaged and malfunctioned you may not be able to start your car without bypassing the remote start. Try looking for burn out fuse on the alarm fuse connections and the cars fuse box. don't buy an alarm module unless its the main control unit(another alarm) as this will not help- most alarm accessories are sensors most if not all the relays are in the main control box which is the alarm. good luck
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Removing glove box from 2011 Impala LT
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Where is coil pack located on a 2005 Chevy impala
The easiest method is to find the spark plugs on the engine and trace the wires backwards away from the engine. It should be positioned across the rear side of the engine. The side nearest the driver and furthest away from the headlights.
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