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I NEED TO REPLACE A THROTTLE BODY ON MY 2006 HHR. I WAS WONDERING IF THERE ARE ANY COMPUTER RESETS OR PROGRAMMING I HAVE TO DO AFTER REPLACING THE THROTTLE BODY OR CAN IT BE DONE WITHOUT ANY COMPUTER PROGRAMMING OR RESET.
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Why would you just buy a used computer instead of reading the codes with a scan tool and fixing the issues that put it into Limp Mode. It is often something as simple as replacing a $18 sensor. Your ECU needs programming with VIN Number and the mileage so you need an auto-electrician anyway.
Rough idle is probably a throttle body and MAF that needs cleaning or they may have failed. It may also be the Throttle Position Sensor. Limp Mode keeps you in first and 3,000 rpm. Limp Mode only saves you from damaging the engine. Get it on a pro grade scan tool computer in a repair shop.
You need to use the Tech II scan tool from GM to perform this relearn process. You can try disconnecting the battery for 30 minutes, but you more than likely will need the relearn procedure done at your local dealer.
Does it lose power or go to limp mode. (second gear)? Being in limp mode makes it feel like it loses power. Takes of slow and does change gears. Have the codes read. Turning it off just resets the computer until it realises something is wrong.
Turn your wheels in on the side that you are replacing, remove the two locking pins at the bottom side of the wheel well liner, pull the liner back and reach in to turn the bulb socket.
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