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Optra

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OBD support
Hey there. If you have the OBD-2 connector under the dash directly under the steering column, then the ELM327 will work to scan the vehicle after you download the app. I can tell you that this adapter is very cheaply...
Question
Engine heating issue.
Hi there. From the description you provided, it would appear the engine does not have a head gasket problem from being overheated. If the temperature climbs above the middle point while the vehicle is at a stop it could be...
Question
COOLANT RESERVOIR IS STEAMING HOT
Hi there. Most of the time when you see "steam" coming from the overflow tank, it's due to higher than normal or overheating problems within the coolant system. As you know, when coolant and water reach "boiling temperature", water evaporates...
Question
Car Loses Power And Puffs Out Large Amounts Of Black And Grey Smoke, First Backfire Was Very Loud, with sulfur/exhaust fumes smell.
Hi there. For the engine to backfire, there was a misfire on the engine and the spark plug was fired on the exhaust stroke causing the fuel to burn in the exhaust pipe make a loud bang noise. The black...

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