My wife and I own a 91 Honda Civic DX 4 door with crappy dpfi engineIf I had the Money, I'd put a VTEC in that sucka to make that 4 on the floor really fly! Currently, it has engine problems which I think could be a dirty throttle body. It's condensor fan won't kick in, so it's constantly suckin' on hot coolant and we can't figure out why.