Can I get someone in the house who can help me fix a 1995 mazda 626 as its performance is embarrassing and consuming. It jerks a lot and always hesitant to move except I push pedal down. The most annoying part of it is the fuel consumption. Efforts to scan it proved abortive cos it's pre_1996 car. I have changed so many sensors, still not improving. Is there any mazda specialist who can help?

sparkplugs and wires

@sultan, I have checked the spark plugs and wires. They are all okay. I have infact changed the spark plugs and air flow meter, still no improvement.

This your explanation is too brief for anyone to assist you. You need to have established a particular pattern or behaviour of d car. Give history, modifications n other. When did all this problems start n how. Fuel consumption is most like associated with airfloe mater(MAF) and catalyst converter amongst many others like dirty Throttle body.

@miccodb. It first started by jerking @ low speed, making it difficult to move on low gear. When on high speed and try to change gear, the engine stalls the moment the clutch is pressed. Meaning the engine either vibrate seriously or stalls on idle. As the jerking continued over time, I took it to my mechanic who then serviced d throttle body and adjusted the throttle position sensor, it stopped stalling but still vibrate and jerk. Later changed the MAF, but still no improvement. The engine now revs excessively even without my effort, i.e 2000rpm on idle. I have changed the air filter,MAF, temperature switch. Could it be that the MAF installed is equally bad or it's simply wrong diagnosis?