P0300 means random misfire detected which probably has to do with the spark plugs or the plug wires
Trouble code P0402 means:Exhaust gas recirculation flow excessive detected
how to replace water pump on 2001 ford ranger
I noticed that question has already been correctly answered by Jrc405 on page 5 of the Ford Ranger XL Q & A
How many cold cranking amp do a 2001 ford ranger needs?
The 2001 Ford Ranger ( SuperCab ) is 73.8 liters / 19.5 U.S. gallons
Ford Ranger Edge
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www.canobd2.com go to this web site put in ford and trouble code and it will tell you what it is
On a 2001 Ford Ranger ( SuperCab ) 73.8 litres ( 19.5 U.S. gallons )
Only if you have the 2.5 liter four cylinder engine in a 2001 Ford Ranger . ( that engine has a timing BELT )