150-200kms On Full Tank

[HKS88]

hi guys, i hav a vr v6 acclaim and for tha last 2 weeks ive been getting around 150-200kms on the clock? i give it a bit every now n then but thats just ridiculious.. spent $140 a week on fuel... any ideas on whats causing it?? injectors??

 

[filtnineee]

your joking right??? u cant be getting 150-200, your car must be running like ****, how many kays it done? maybe u have a leak in ya tank, that or all ya sensors and computer have had it,

 

[Harvs82]

1. Clogged air filter
2. Clogged fuel filter
3. Spark Plugs
4. Stuffed Oxygen sensors
5. Faulty coolant temp sensor (making the car run rich as it thinks the engine is cold all the time)
6. Stuck open thermostat

Just a few to begin with....

 

[Boonz]

i thikk a hole in the fuel system somewhere sounds kinda logical.... well it wouldnt be a fuel pressure regulator cos if that was gone it would jus dump in way too much fuel and run like poo.... ruptured fuel line maybe???

 

[HKS88]

its got 410k on the clock, ive replaced air filter, spark plugs a month ago and i have also cleaned out the throttle body, and the oxygen (o2) sensor was black and had alot of crap on it, should i clean that aswell?.. il check the others 2moro n see how it goes.. thanks guys

 

[Boonz]

if its full of carbon then it should really get replaced they are like $50 and they do make a huge difference to the fuel economy

 

[HKS88]

oh ok thanks boona15 il try n get it replaced 2moro

 

[Boonz]

i had a similar problem with fuel consumption.....230 k's out of 80 litres.....found out that my coolant temp sensor, manifold air temp sensor and throttle position switch were all rooted from age....

 

[HKS88]

oh ok do you recommend i check all that myself? or just take it to holden?

 

[Boonz]

nah if it there is no engine light or trouble code coming up i wouldnt bother taking it to holden they will just tell u the situation is worse than it is prolly....
do things one step at a time and see what makes a difference