🎱 Opel Astra Engine Light Stays On

May 15, 2023 by Jason. The thermostat in your Opel Astra’s engine plays a crucial role in regulating its temperature. A malfunctioning thermostat may lead to various issues and should be dealt with immediately. Some of the most common symptoms of a bad thermostat are no heat, a spiked temp gauge, a blown head gasket, and more. warrent1 Discussion starter. 19 posts · Joined 2011. #1 · Aug 25, 2015. Our 1.6 SRi 2011 reg, has the Malfunction indicator light on when the car is running. It came on, on the 22.08.15, the same day we got the recall for the parking brake. Now the car keeps cutting out on us. On a petrol engine, in normal conditions, the oil pressure light should go off at cranking speeds, ie before the engine fires. Diesels may take a little longer. If the light stays on too long it's one of four things:-. a) a cheap oil filter is in place without a non-return valve. b) the switch itself is faulty. This light shows operational status of traction control system. If it is constantly lit when engine is running, this means that traction control system is off. If the light flashes during driving, it means the loss of traction at the wheels, and traction control system is operating- decreasing engine torque to stop exessive wheelspin. Voltage should read 13.8 to 14.2 with engine running. Nearly flat battery's will recover a certain amount after standing for a while, so that's probably why it started after a couple of hours. Check the alternator wiring first, and also make sure the free wheel pulley on the alternator hasn't failed. It could be a simple short circuit, a broken wiring harness, a faulty relay or fuse. Use a pressure gauge to verify it. A malfunctioning ABS sensor: A breakdown of one of them causes the ABS light on your Vauxkhall Astra to turn on. The ABS hydraulic block of your Vauxkhall Astra: If it is faulty it is possible that the indicator light will The most common of all trouble codes is P0420 (it indicates your Opel Astra’s catalytic converter isn’t scrubbing pollutants efficiently). Here are some of the other most common codes: P0442 – Small EVAP leak (most commonly fixed by tightening a loose gas cap or replacing it) A faulty 02 sensor can be a major reason why the check engine light is appearing. Modern cars are constantly sniffing their own exhaust emissions to ensure every drop of fuel is being burnt as efficiently as possible. They do this via an oxygen sensor in the exhaust system. So even if the engine is still operating correctly, a bad sensor will sRax.

opel astra engine light stays on