A 2002 Jeep Grand Cherokee engine that cranks but is not starting and has no dash gauges is experiencing an electrical system failure. This can be a result of a faulty ignition switch or damaged wiring.
If the engine cranks & cranks & cranks before it starts even though it's warmed up already.
What to do before starting auxiliary engine?
No of cranks used in 6 cylinder engine
the engine will turn over a few times before starting, if it starts, and it will feel sluggish
Your question is confusing. If the engine cranks it is turning over.
Replace the engine coolant temp sensor.
The early 4.7 engine in the grand cherokee,dakotas,and rams have had problems with cylinders on the rear left of the engine,starting with a knocking then overheating and seizing .
An engine which cranks but will not start is not receiving enough fuel or has no spark. A clogged fuel filter or bad spark plugs often cause this problem.
I'm no expert, but my friend had a similar situation in a carburated Toyota due to a clogged fuel filter. Fuel filters need to be changed every 30,000 miles or so. It's a cheap and easy fix - try that first.
Check engine compression Check engine timing
No, The compression test is done as the starter cranks the engine
If the boat has a blower for the engine compartment, TURN IT ON for several seconds before starting the engine(s), to clear out any fuel fumes that might have accumulated.
Sounds like your battery may be very low; if it turns over slowly when it eventually starts turning, definitely try jump starting or charging the battery and trying again.
"Check Engine" light comes on when you turn ignition switch on and should go off when engine cranks.
The 2001 Jeep Cherokee has an inline 6 engine.
The 2014 Jeep Cherokee has an inline 4 engine.
Engine cranks but doesn't start.
Diagnosis: Engine Won't Start or RunCheck related link below
on the 4.0 jeep, if it cranks, but wont start, try replacing the crank sensor, located at the top rear of the engine, at the transmission
The engine needs fuel, compression and spark to run, it is missing one of those.
You should let the ventilation system run about four minutes before starting the engine on a boat.
fuel filter... or throttle body
Sounds like you might have a bad starter relay.
The 2001 Jeep Grand-Cherokee has a 4.0 L base engine size.