An oil leak problem probably is the sign of a problem in your oil pressure or it could simply be a slow leak. The problem can cost anywhere from $100.00 to $400.00 for an oil pressure problem.
Coolant leak.
Leak detection pump.
Because the leak is high up in the tank.
possible faulty leak detection pump
YesYes
You have a leak that needs repaired.
i believe the heater core is leaking, a small pin hole leak can generate a lot of smell.
You don't. One, it is illegal. Two, It would cause a exhaust leak that if it got inside the vehicle would be poisonous to the driver and passengers.
Coolant level is probably low, Have it checked for an antifreeze leak.
On a 2001 Jeep Grand Cherokee Laredo, the leak detection pump is typically located near the fuel tank, often mounted on or near the charcoal canister. It is part of the evaporative emissions control system and helps detect any leaks in the fuel system. To access it, you may need to lower the fuel tank or remove the rear skid plate, depending on the vehicle's configuration. Always consult the vehicle's service manual for specific instructions and safety precautions.
Trouble code P1494 means: Leak detection pump pressure switch or mechanical fault
Bad bearing? Leak onto engine component?