I am getting close to 10 - 11 miles to the gallon in a 1989 ford dually with a 460 fuel injected engine.
A 1989 Ford John Deere motorhome chassis would likely not have fuel injection, as many vehicles from that era were still using carburetors. However, it depends on the specific engine option and modifications made, as some models might have been upgraded or had fuel injection systems installed later. It’s best to check the engine specifications for that particular chassis to confirm.
Yes, it is fuel injected.
Starting with the 1988 model it did
A 1989 Ford Bronco II has a ( 2.9 liter / 177 cubic inch V6 engine )
There is a CEL, Check Engine Light, on the 1989 Thunderbird.
Most any mechanic shop would have one.
( Yes ) the 2.3 liter four cylinder engine in a 1996 Ford Ranger is fuel injected
What engine?
Depends on the engine
Standing in front of the truck you would turn the pump to the drivers side to retard the timing. your would turn it to the left
( .044 inch ) for the 2.3 liter four cylinder engine in a 1989 Ford Mustang ( according to one of the Ford websites )