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GQ 4.2 Idle problem-Fuel?

Tech Talk for Nissan owners.

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Posts: 41
Joined: Sun Jan 14, 2007 10:46 pm
Location: melbourne

GQ 4.2 Idle problem-Fuel?

Post by CENTIPEDE »

1989 GQ 4.2 carby petrol engine. whilst driving around normally everything is great. But at idle it runs really rough, then stalls. I can keep it running at about 1300 rpm at traffic lights but runs rough. I'm sure it's a fuel problem but not quite sure what the cause is. Thought I'd ask if anyone else has had the same problem.

Thank's in advance
Luca
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Posts: 84
Joined: Wed Jul 04, 2007 3:43 pm
Location: brisbane

Post by rustbucket »

i had the same problem i took the air filter off then gave it a rev and choked the carbie with my hand and a rag to clear any blockages (but hold on to the rag tight) i done that a few times then poured some fuel straight down the carb and it cleaned it out it worked fine after that
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Posts: 77
Joined: Mon Apr 14, 2008 2:18 pm
Location: Maryborough qld

gq idle problem

Post by Articulator »

Had same problem with my 91. Turned out to be blocked idle jets in carby.$60 for carby kit ,plenty of carby cleaner,problem fixed. More horsepower and better feul economy as abonus. Well worth the time &money
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Posts: 41
Joined: Sun Jan 14, 2007 10:46 pm
Location: melbourne

Post by CENTIPEDE »

Pulled carby apart and gave it a major clean up

Now working fine, thanks to all
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