First, check your air filter and O2 sensor. Both probably need to be replaced. If the HC is up, change the plugs and wires too. If the vehicle is carburated you probably don't have an O2 sensor.
Weak battery or alternator output.
fire=hot
in a toilet
low to mid 20s
Diagnostic code 43 in the 1997 Jeep Grand Cherokee refers to an issue with the distributor. This often causes the Jeep to stall at operating temperature.
10w3010w30
A 1991 Jeep Cherokee computer is what fits a 1991 Jeep Cherokee.
Check the operating mechanism
The obvious answer would be that there would be a leak somewhere...
no
After hundreds of thousands of rotations, the bearings in the impeller will fail.
An XJ is a Cherokee, a TJ is a Wrangler.