1994 Mazda B3000 Q&A
1994 Mazda B3000 Question: Rough idle on start, doesn't seem to have any power at all.
Start with the basics, check the compression and perhaps do a cylinder leakage test to ensure the engine is mechanically OK. Perhaps verify fuel pressure and fuel delivery volume. Check for a restricted exhaust and "water test" the ignition system with the engine running to make sure the ignition insulation is good. Check for engine vacuum leaks around the intake manifold. Has the engine run hot or been loosing coolant? Could the head gasket be leaking? To many possibilities just for me to guess without being able to look at the car first hand. - patrick mannion