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check engine light comes on when car warms up

Solid illumination after the engine is started indicates the On Board Diagnostics System (OBD-II) has detected a malfunction. Occasionally, the check engine light comes on when nothing is wrong with the car, said Steve Mazor, chief automotive engineer for the Auto Club of Southern California. It shouldn’t be there at normal operating temperature. Why the Check Engine Light Is Scary—But Often Neglected. If your ‘Check Engine’ light comes on, first check the gas cap to make sure it wasn’t left loose after refueling. It’s much harder to check once the engine is warmed… It is bad news when the ticking sound in engine is coupled with low-level … Once the engine is warmed up to near the half mark on the temp gauge in the dash the car will stall or try to stall if idling for one minute to five minutes. If you have an overheating problem in traffic, keep an eye on your temperature gauge. Ignition coils can also malfunction, causing misfires in the ignition system. The 1999 Nissan Altima has 8 problems reported for when warmed up,rough idle, check engine light. When it starts creeping into the danger zone, look under the hood to see if your electric fan is … If the light doesn't come on until the car is warm it means the pressure is less with the thinner oil.Make sure the sender is accurate,then look into causes of low pressure, (bad pump,worn bearings) An engine rattling noise, or a clicking sound in an engine, can spring up from a number of sources. If the light is blinking, engine misfire is occurring which could damage your catalytic converter. An illuminated Check Engine Light is another symptom of a bad or failing downshift solenoid. The AutoZone Fix Finder. If you notice that your thermostat gauge stays on the “C” even after the engine has time to heat up, you may have a broken thermostat. When oil pressure is low, not enough oil is being distributed to the engine, potentially causing engine failure. Check this out. If the check engine light is blinking, reduce the strain on your engine by not over-revving or towing anything. Sometimes this can trigger the ‘Check Engine’ light. This BLUE illuminated light turns off when the engine is warmed up sufficiently. Finding out why your Check Engine Light is on may help you save gas and avoid more problems down the road. You can test this by letting your car idle long enough for the engine to heat up. The “check engine” light is intimidating when it first comes on—especially if you’re unfamiliar with the mechanics of your vehicle. A code reader can be used to check the trouble codes that are generated by the misfiring problem. You know there’s something wrong with your vehicle, but you don’t know what, and that results in anxiety of uncertainty. This resets the car’s sensors and will stop the check engine light coming back on if the problem was temporary. Check your dashboard gauges and lights for indications of low oil pressure or overheating. Fix Finder is an easy-to-use tool to troubleshoot why your Check Engine Light is on using an extensive database of repair solutions from ASE certified mechanics to help you find the most likely fix. Despite this commonly held belief, your car doesn’t need to “warm up” on cold mornings, especially if … Get a breakdown of the most common car problems that cause that orange-yellow light to come on and how to avoid expensive repair costs using the latest - and affordable - technology. Check Engine Light comes on. For the system check, this indicator light/warning light illuminates in RED for approximately 2 seconds when the ignition switch is turned to the "ON" position. The most likely cause of a car losing oil pressure when it warms up is a problem with the pressure relief valve, which regulates the oil pressure to ensure that there is enough pressure to circulate oil throughout the engine. My car drives fine in the city and on the highway. According to Consumer Reports, blinking … ... Just make sure the smoke goes away as the car warms up. These conditions mean you should pull over and … Get in the Zone. Try disconnecting the car battery for about 10 minutes. Your ECU should throw a check engine light if there is no signal from the crankshaft or camshaft position sensors. My Engine Shuts Off When I Reach a Stop Light. These will likely trigger your check engine light. ... the fuel pump sound comes on before i turn the car over. MOST COMMON REASONS YOUR CHECK ENGINE LIGHT TO COME ONThis is a list for most popular reasons a check engine light to come on. A check engine light could pop up on your dashboard because you have a problem with your oxygen sensor, your catalytic converter, your spark plugs, your EGR valve, the list really does go on and on. If the thermostat can’t signal to the car that the engine is warm, the coolant won’t be sent over to provide heat to your heater core and the air will stay cool. A car’s check engine light is essentially a diagnostic tool – it lights up when a car’s on board computer issues an error warning. This truck has never died on me or has never triggered a check engine light so I am at a complete loss. Do this first. Fed up with your check engine light coming on? Any serious problems will normally be accompanied by other symptoms. When the engine is cold or cool it will idle normally around 800-1000 rpms. Low Oil Level or Pressure. The symptoms are it has a low knock type noise when its cold out but when the engine warms up the knock gets even quieter. Drive in a moderate fashion (avoid If the computer detects a problem with the downshift solenoid circuit or function it will set off the Check Engine Light to alert the driver of the issue. After that, this indicator light/warning light changes to BLUE and maintains illumination in BLUE. They come in many shapes and sizes, depending on the make, model, and age of your vehicle. 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