2002 Jeep Grand Cherokee "2 black smoke" Questions

...2: or, with hood up the exhaust manifold smokes due to oil we dropped there. (common on much service) and what color is it.? from where.? tail pipe can do 3 colors white goes away fast ,called ...

...black smoke the cat will try to catalyze all that and glow red hot. is your cat missing?>
so why not believe the code 171, its real and is catastrophic failure. there are 2 engines here, FED and ...

...2 new oxegen sensors. i cleaned thotle body. runs great around town. long runs it gets a code po171 lean cond. some black smoke from exhaust. shakes at idle. when cooled runs grat again and after i ...

2-3 months ago nows we have no idea what to do please help You are going to have to repeat diagnostics. Were there any other codes besides o2 sensor when first problem happened? (o2 sensor often comes

black smoke?)maybe a temp sensor? P0051 DTC trouble code may be caused by one or more of the following: A short in the heater circuit in the sensor, A failed O2 sensor heater, Wiring/connectors broken

...black smoke now? or smell the raw fuel? now?
4: check all fuses?
5: is the CEL lamp glowing? key on,it must. (dash cluster lamp)

do tell us what turns over means.
there are 2 things ...

...2 tank and drop to zero in the blink of an eye. What is this likely to be? Does it make any sense? Does this sound like a real chore to fix? Hi, This may be your problem. There is an electronic ...

black smoke t tail of car? toss coin, 2, no. got spark?, using the STD 100 year old spark test>? got spark to all cylinders. NO does it get spark with 1 person cranking, and 2nd looking? or does it

...black smokw on start up when cold (2)low oil presure when hot Slight engine wear. Would advise using a heavier oil. The 5w 30 is great with low mileage. As an engine wears & the miles add up the ...

...black smoke like alot of fuel being brunt.need help.wifes jeep. Can be a bad O2 sensor. Check with a scanner which shows live data the 1-1 and 2-1 (upstream) sensors. Good sensors show a rapidly ...