Hi,

I have a 1993 Mazda 626.

1st Problem - Overheating after 2 hours or around 100kms run. I understand I have to check the radiator and the whole cooling system. I will have it done right away.

2nd Problem - When my temperature is already high (without overheating yet), I loses power. Meaning, gumagaralgal na yung makina ng kotse at ayaw nang mag-move kahit buhay pa yung makina. Hindi din tumataas ang RPM and yung idling ko ay sobrang baba - around .5 RPM.

What I need to do, especially when I am caught in traffic - is to shut down the engine, re-start and make some revolutions para tumaas ulit ang RPM. This will do for another 30-50kms.

When I can make it on first instance and whenever I can possibly park, lalagyan ko lang ulit ng tubig ang radiator dahil laging kokonti na lang ang natira.

Here's my question: Aside from the radiator, do the following parts has connection to this problem?

1. MAF/Air Flow Sensor
2. Water Pump (Which I think should also be checked if I need to run through the whole cooling system)
3. Cylinder Head/Gasket
4. Fuel Pump

2nd question - if I need to have all these checked, which one should go first? 2nd? 3rd and etc?

TIA!