efi tune up 1.2...

there are some disadvantage connecting air filter directly to the throttle body... most obvious one is that it sucks hot air into the engine... as everyone knows, cold air yield more horsepower...

i did made a trip to local exhaust shop see if they can make a stainless steel piping extending the air filter to the area behind the headlamp... i was quoted Rm1xx...

hence i decided to copy cipan's idea of using flexible cold air intake hose as RAM pipe... unfortunately the cold air intake hose i'm selling isnt big enough to fit either the throttle body or the air filter... i'll need around 3 inch diameter hose... so, here it is....



the hose is same size with the air filter... took quite some time to squeeze the hose into the air filter... meanwhile on the throttle body side, the hose is a little larger than the throttle body outer diameter... despite not being the suitable size, i forcefully clamped the hose to the throttle body seal-tight...



improvement can be felt especially at low end rpm/speed... less laggy in throttle response... though i still miss the maniac sound of the open pod air filter directly connected to the throttle body...

efi tune up 1.1...

throttle body ISC kantoi d... so when aircond kicks in, idle rpm plunges alot... fortunately i still have my denso ficd around... this ficd originates from toyota ae101... can be found in halfcut shop for about Rm50...

connection is rather simple by following the connection diagram found in the internet...



jeng jeng jeng...



aircond ON idle problem solved...

efi malfunction 1.2...

ever experienced fuel leaking from ur car??... yes i did... fuel hose connecting to the fuel pump outlet leaked...

1st time leak happened before i started journey back to ipoh... nvm, cut away the punctured hose and reconnect it to the fuel pump...

2nd time leak... happened at tanjung malim RnR... same method, cut away the punctured part and reconnect it to the fuel pump... at this point, the hose is very short and barely reaching the fuel pump...

3rd time leak... Gopeng exit... this time i wouldnt have enough rubber if i were to cut away the punctured part... i would have to extend the hose with some extra fuel hose found in my tool box... i search through the glove box and i found my el cheapo tyre pressure gauge... i dismantled the whole thing and took the metal housing tube as connector...

see how crude it is... well at least it managed to bring me back home safely to ipoh...



the next day i quickly changed the whole hose with a new one...



from my estimation, i think i lost almost half tank of petrol on PLUS highway...

efi malfunction 1.1...

my revs are getting weaker n weaker... a quick drive to the workshop reveals something scary...



the filter element in the fuel filter has dislodged from its position and blocking the outlet path of the fuel flow... hence causing choke and fuel surge... why??... because it was fitted in the wrong direction, the pressure from the fuel pump damaged the fuel filter inside....

efi chapter 1.5...

finally, my car is able to discharge from workshop... due to time and cost constrain, i didnt manage to find a suitable ram pipe connecting the air filter and throttle body... so what i did is connect both of them directly...



fuel pump location... rear left side under the rear bumper beside the fuel tank...



as my oem injectors are 145cc in size, they are insufficient to deliver smooth revs especially after 4000 rpm... hence, i swapped into my 210cc injectors... immediately can feel smoother power delivery... but somehow the air fuel ratio is still deemed rich coz 210cc is a little too big for my car displacement... hopefully i'm able to purchase a piggyback ecu soon...

so, e-manage blue or safcII ??

efi chapter 1.4...

early morning got a call from the workshop saying that the fuel pump i bought previously was leaking... hence, no choice but to buy a new unit...

later that evening i visited the workshop again... engine is up and running with my new fuel pump... stuff not in place yet are air filter and o2 sensor...



kee also mentioned that my car doesnt have speed sensor and check engine light... as far as chikdin mentioned, wira svdo speed sensor can be installed to iswara oem speedometer... but this requires abit of work dismantling the meter cluster...

fortunately i had a spare faulty speedo at home which i can get my hands on...



this is the speed sensor...





the speed sensor in place...



notice the clearance??...



i wonder how the speed sensor generates signal from the speedometer...

efi chapter 1.3...

hardware parts were fitted in already... intake manifold, throttle body, fuel rail, fuel injectors, distributor, etc...

ah kee quickly proceeded with the wiring issue linking the ecu and sensors on board...



not much update as i hang around the workshop for a while only...