Does it ruin the engine if I switch from regular oil to the synthetic?

Does it ruin the engine if I switch from regular oil to the synthetic? 3 Answers

Changing the oil to synthetic 1 Answer

1995 Corolla DX Wagon 134,000 on it, is this ok to do.

My son bought a 2000 corolla from his room mate, well 2 months later the engine is shot, burning oil. We got a new engine, my mechanic said it was hard to find, but it burns a lot of oil too. You have to add oil every week. The mechanic says thats the way that particular engine is. Should I just dump the car? 6 Answers

2000 corolla with replaced engine, burns tons of oil. Adding every week.

car does not start at the beginng.but if it started once then it does not make problem to restart 2 Answers

my car is toyota corolla LX '93 model.when i want to start in tne morning it does not start .after loneg try it suddenly starts and if once starts does not make problem when restart it rest of the day

My key will not release from my ignition unless I cut the power to the car by removing the coil from the battery. It it a solenoid issue? 4 Answers

Also it take a few clicks/turns of the key for my car to start. Thank you!