VP Fuel Economy and Temperature gauge :(

[no idea]

My 1993 VP executive V6 gets 16.4L per 100km at best, it idles a bit rough and the temperature gauge is always saying its cool.

Anyone reckon these problems are all linked?

wheels are aligned and balanced

also most people think i should replace the O2 sensor but i dont wanna replace it if its not gonna do anything

any ideas?

 

[Turd Ferguson]

its a VP what you expect, ive owned 2, thats about what you get. i get 16.7 in my calais

 

[no idea]

its a VP what you expect, ive owned 2, thats about what you get. i get 16.7 in my calais

i was expecting to get closer to the factory figures (12.5L) instead of figures similar to that of a hummer

 

[Turd Ferguson]

haha factory figures, ur kidding urself, theres already a heap of threads about this, do a search and find what others got

 

[excalibur]

i was expecting to get closer to the factory figures (12.5L) instead of figures similar to that of a hummer

dont forget your car is also 15 years old

 

[88GreenVN]

I put a post on this thread in the VR section for you

http://forums.justcommodores.com.au.../82731-vp-fuel-economy-temperature-gauge.html

 

[90holden]

I had this same problem with poor fuel economy and a temp gauge that was barely reading anything. I changed my thermostat and now I can get 10lt per 100km doing 120km per hour on the open highway....before I was using 11-12lt per 100km doing 110kmh....I have a V6 VN ute with no modifications

 

[LightningVP]

I get roughly 12.5lt/100km doing normal street driving (not freeway)

 

[One Bored Pickle]

Hmmm.
Thats a tough one.
Maybe you should hug Lozum?
That solves everything

Just another helpful tip from yours truly [:

XoXoXoX

 

[savage1987]

I had this same problem with poor fuel economy and a temp gauge that was barely reading anything. I changed my thermostat and now I can get 10lt per 100km doing 120km per hour on the open highway....before I was using 11-12lt per 100km doing 110kmh....I have a V6 VN ute with no modifications

x2

Thermostat is stuck open. Put a properly working one in and your car will actually make it off the cold map.

My VN V6 s1 auto makes a flat 10L/100km, hills driving. I still think it can do better. Ask greenfoam how much I complain about my fuel economy My fuel breather hoses are completely rooted (chunks missing) so I'm losing fuel that way, the motor has 500,000km on it and it's 17 yrs old now. Still does 10L/100km, every tank, without fail.

Here's what I'd say.. one by one, start at the top and keep going until your problem's fixed:

thermostat
plugs
leads
coil packs


Actually that should do it.

Sam


ps haha 90Holden, me and a mate were crossing Australia a couple of years back (Canberra to Perth) and we ran 3 or 4 whole tanks at 140-150kph, sat on a flat 10L/100km that was before I had it tuned as well.