What's The MPG (Miles Per Gallon/Gas Mileage) 89 TII?
Hi All,
This is sort of a stupid question but I just picked up a 89 TII and I've been driving it for about 2 week now and it's seems that I'm only getting maybe 12 mpg. Does that sound right? Thanks, Rick rtm@frys.com |
I get 15 mpg in mine
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Really. Hmm.. I thought that the TII's where alittle worse for fuel economy. Does anyone know?
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I get about 17 - 19 in the city, but I have a '90 non-turbo. Although, I do drive it like it wants to be driven, fast... ;o)
I would expect a Turbo II to get worse mileage... but 12 seems a bit too low... I would start checking the basic stuff: Air Cleaner Spark Plugs/Wires O2 Sensor If all those look fine... message me and I will have more suggestions. -Mike |
Hey thanks a lot. I'll take a look when I get a chance hopefully this weekend, I've just been working so damn much.
Air cleaner -=- going to check Spark Wires -=- going to check O2 Sensor ? Wait where is this located? I just had it up on a rack an I think I saw it right after the Cat? Is that right? Thanks! |
I think I get about 15 in my 89tII. (I get 350Km on 55L) I figured it out once but I forget...
just do a full tune up. change air filter, spark plugs and wires, oil and filter change, fuel filter, check the timming and TPS, drain and flush the coolant and add a new MAZDA thermostat, new o2 sensor. what octane are you running? I'm using 94 now and I found I am getting abit more then with 92. |
You just got it 2 weeks ago? I'm gonna guess that you're getting into boost a LOT. When I drive my car sanely, I get around 15-16... but the rest of the time when I'm racing a lot, cruising on the highway at 130, that sort of stuff, I average around 12. It just depends on how friendly you are with the boost.
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Originally posted by Scott 89t2 I think I get about 15 in my 89tII. (I get 350Km on 55L) I figured it out once but I forget... just do a full tune up. change air filter, spark plugs and wires, oil and filter change, fuel filter, check the timming and TPS, drain and flush the coolant and add a new MAZDA thermostat, new o2 sensor. what octane are you running? I'm using 94 now and I found I am getting abit more then with 92. Does anyone know where the fuel filter is? I just got this car and am not all that firmilar with it. A... does anyone know how to change it? I'm not firmilar with these setups. Thanks! |
Originally posted by Flamin' NOS You just got it 2 weeks ago? I'm gonna guess that you're getting into boost a LOT. When I drive my car sanely, I get around 15-16... but the rest of the time when I'm racing a lot, cruising on the highway at 130, that sort of stuff, I average around 12. It just depends on how friendly you are with the boost. |
If u rev above 3600rpm the ECU will go open loop regardless of whether you're cruising or not and you get a big change in fuel consumption. This is at about 80mph in 5th on my 87TII. I get about 18mpg in combined city/highway and that's not babying it. Henrik 87TII |
I have an 87 TII, and I only get about 13 mpg.But I usually only do street driving, which really hurts the milage.A new O2 sensor does quite a bit for milage, but I don't know that it will help you.I have a new bosch one, and still get 13.You should maybe be seeing a bit better milage, but don't expect to pull much more out of it.
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Originally posted by RedRacinTII I have an 87 TII, and I only get about 13 mpg.But I usually only do street driving, which really hurts the milage.A new O2 sensor does quite a bit for milage, but I don't know that it will help you.I have a new bosch one, and still get 13.You should maybe be seeing a bit better milage, but don't expect to pull much more out of it. |
I have calculated this tank of gas;
220 miles on 16 gal (I was broke so I let I go down to empty). 13.75 MPG on a 89 TII. This was with 87 octane. Now I'm trying 91. There's 88.5 (instead of 89) also. Results to come. |
Mine 87T2 gets 16 mpg.
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the oxygen sensor measures the air fuel ratio. the sensor is only used by the computer when you are cruising at a constant speed/throttle. the computer then leans fuel accordingly. this is called closed loop mode. closed loop mode is automatically turned off once throttle position, speed... changes.
i heard the latter Haltech's have closed loop mode, is this true? if so what sort of millage do you get on highways (especially if u have upped boost, bigger turbo...)? FELIX |
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