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U1188 Engine Trouble Code

U1188 Engine

When you check engine light came on code U1188 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However your vehicle's manufacturer may have a different definition for the U1188 OBD-II Diagnostic Network (U) Trouble Code. So you should chech it on our car models.

When the check engine light comes U1188 code on the first you should check is the gas cap. Pull over, retighten it, and take a look at the cap to see if it has any cracks in it. Continue driving and see if the check engine light turns off. Alternately, you can purchase a gas cap for about $3 at an auto parts store. All you need to do is take the old one off and screw on the new one. If you've already made it to the store, you might as well just replace it. While not car-threatening, it's good to take care of this right away to improve gas mileage.

U1188 Code Meaning :

U 1 1 8 8
OBD-II Diagnostic Network (U) Trouble Code For Engine Fuel And Air Metering Engine Oil Temperature Sensor Malfunction Cylinder 1 Injector Circuit Low Timing Reference High Resolution Signal A Too Many Pulses

The oxygen (02) sensors on your car measure the oxygen in the exhaust to determine how rich or lean the ratio of fuel and air are in the cylinders. Optimizing this mixture means better fuel economy and fewer exhaust emissions.

U1188 OBD-II Diagnostic Network (U) Trouble Code Description

U1188 engine trouble code is about Timing Reference High Resolution Signal A Too Many Pulses.

Reason For U1188 Code

The reason of U1188 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.

U1188 code on vehicles with electronically controlled automatic transmissions, the 3-4 shift solenoid is responsible for actuating the hydraulic circuits to activate clutches or bands that change gears inside the automatic transmission.