CarTalk.com Best of Deals Car Reviews Repair Shops Cars A-Z Radio Show

2002 Ford Ranger - Misfires

My 2002 ford ranger seems to not be getting the right signals when it comes to ignition firing causing it to backfire. What might cause that. Timing chain lines up

what engine . . . ?!

That statement is based on what? Actual test data? Gut feel? Crystal Balls?