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G13BB help!dont pull

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06 Jan 2014 20:49 #99433 by nikos_trd
hello i am new member.just bought a 99 jimny metaltop with g13bb engine with 200.000km.the car dont pull enough.. there's a slight surge/hesitation in the running...i must put 1 gear almost in a small hills.not misfiring,no engine light...it works fine but dont pull.the plugs are new but i notice when change them that are a little wet from fuel...it is normal?do i have a rich mixture?

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  • deedar
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06 Jan 2014 21:11 #99442 by deedar
Replied by deedar on topic G13BB help!dont pull
Try taking air filter out I had same problem with a p38 wank rover last year and I was in service station for hours trying to find out what it was and took air filter out and it then went like a missile

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06 Jan 2014 21:33 #99447 by facade
Replied by facade on topic G13BB help!dont pull
Check the air filter as deedar suggests. (I bougt a 500 Honda once, when I rode it home it wouldn't go above 55, when I took the air filter out it was an old towel, a new filter fixed it.)

If the air filter is ok the next most likely problem is a blocked catalyst in the exhaust, replacement is the only cure.

If it suddenly breaks, go back to the last thing that you did before it broke and start looking there :)

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07 Jan 2014 17:18 #99531 by nikos_trd
Replied by nikos_trd on topic G13BB help!dont pull
the air filter is new....i take a look at catalyst system...thanks!!

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  • jonesyba420
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07 Jan 2014 18:00 #99535 by jonesyba420
Replied by jonesyba420 on topic G13BB help!dont pull
id guess cat aswell, mine slowly lost power untill it wouldnt go above 15mph!!!had to abandon it by the side of the road :laugh:

on mine the cat/silencer joined to the manifold had collapsed so check there to, if yours has one. mine now has no honey comb internals in that bit,sounds abit louder B)

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  • Jimny_Aus
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08 Jan 2014 03:00 #99588 by Jimny_Aus
Replied by Jimny_Aus on topic G13BB help!dont pull
rings could be shagged, low on compression = no power....... does is blow any smoke??

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08 Jan 2014 21:21 #99702 by nikos_trd
Replied by nikos_trd on topic G13BB help!dont pull
no smoke.....a little at first start on the morning...i think is reasonable with 200.000km...i will make a compression test at weekend.

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  • Jimny_Aus
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09 Jan 2014 23:32 #99909 by Jimny_Aus
Replied by Jimny_Aus on topic G13BB help!dont pull
yea i'd do one. have you changes the oil ?? 200K is alot for a engine do you know the service history ??

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10 Jan 2014 22:15 #100056 by nikos_trd
Replied by nikos_trd on topic G13BB help!dont pull
i know the history...all services in suzuki...i have the service book...some guy told me to change the mapsensor.....anyone have problem with the map sensor??

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11 Jan 2014 12:52 #100095 by facade
Replied by facade on topic G13BB help!dont pull
The MAP sensor will usually cause rough idling, hesitation, and an increased fuel consumption.

At 200,000 km (which is only 125,000 miles: mine has done loads more than that and it still goes ;) ) it is most likely a blocked/disintegrating catalyst.

By all means change the MAP sensor, you can do it without getting under the car, but I very much doubt it will solve the problem.

If it suddenly breaks, go back to the last thing that you did before it broke and start looking there :)

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15 Jan 2014 17:23 #100705 by nikos_trd
Replied by nikos_trd on topic G13BB help!dont pull
the problem found...it was the o2 sensor...but there isnt check light....

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