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cruiser driving rough on petrol 4.5l

Tech Talk for Cruiser owners.

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Posts: 33
Joined: Sun Jun 07, 2009 3:10 pm
Location: Wollongong, NSW

cruiser driving rough on petrol 4.5l

Post by MAD80 »

i have a 93 mod 80series with 4.5l pet, its had gas fitted for about ten years now and drives fine on gas, when on petrol it runs rough, stalls, blows smoke and wont rev, unless it is flawed. i think it may have blocked injectors, could it be anything else causing these probs, iv tried running injector cleaner without any real success, my next step would be to take the injectors out and get them cleaned.
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Posts: 595
Joined: Sat Nov 02, 2002 2:09 pm
Location: Blackbutt, Queensland

Post by v8zuki »

do injectors first as well as the idle air speed motor
its on the throttle body they gum up over time on pet/gas combos
if it doesnt fix it check/change the airflow meter
just went through this with my little brothers 80 4.5 pet/gas npw running
sweet
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Posts: 306
Joined: Fri Oct 10, 2008 4:02 pm
Location: Hobart, Tasmania

Post by tas80 »

Same thing with my 80, Last owner always ran it on gas, removed the injectors, 4 flow tested okay after ultrasonic clean and 2 needed replacing, pretty common on dual fuel trucks
100 Series Ute: Chopped, Locked and Rolled
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Posts: 16
Joined: Mon May 25, 2009 3:55 pm
Location: canberra

Post by kranky al »

have you checked your fuel filter? mine started doing the same - 1 new fuel filter later it was fine
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Joined: Thu Oct 23, 2008 10:19 pm
Location: Newcastle

Post by IN24BZ »

airflow meter?
Beep. Beep. Beep.. Whats that sound? Oh Look Its Just Another ZD30 On A Tow Truck.. =)

What torque? Tighten it till it strips and then back it off half a turn.
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Location: burpengary

Post by xx.45_UTE.XX »

x2?
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