1) 1600 ka fully synthetic oil wo bhi 3 liter meri ford mai 1600 ka semi synthetic dalta hai 6 liter 2) coolant ka mix bilkul bekar kiya hai 80% coolant 20% water joki bilkul galat hai 50-50 hona chaiye 3) Engine flush ke baad engine to 3500 rpm per nahi dala which is waste of flush 4) brake shoes bht badiya kiya 5) trye ko exchange nahi kiya 6) throttle body half clean ki uska petrol spray nikal ke saaf nahi kiya jo petrol spray krna hai the most important thing 7) coolant flush krne mai bus pani dalke nikalna hota hai sara coolant car ka pump apne aap nikal deta hai wo bhi nahi kiya Basically parts change wala kaam acha kiya jisme technical knowledge chaiye hoti hai wo kaam in logo ne thik se nahi liya