Rodeo carbie problem

Submitted: Tuesday, Mar 09, 2004 at 07:17
ThreadID: 11113 Views:1679 Replies:7 FollowUps:8
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I have a carbie fault in a 2.3lt Rodeo causing it to run on 3 cyl when cold.
When you take your foot off at speed it also backfires - so bad it blew the exhaust apart.
I've been told it's a carbie problem by RACQ (NRMA).
Has anyone had anything similar or know where to start looking - replacement carbies are scarce.

Dave >
PS - anyone got a good carbie for sale?
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Reply By: Leroy - Tuesday, Mar 09, 2004 at 10:13

Tuesday, Mar 09, 2004 at 10:13
if its running on 3 cyl when cold it's not a carb prob. also for the car to backfire it has excess fuel. Sounds like more of an ignition prob.

Leroy
AnswerID: 49635

Follow Up By: dingdong - Tuesday, Mar 09, 2004 at 10:47

Tuesday, Mar 09, 2004 at 10:47
Hi guys
Can only be 1 of 2 things inatake manifold gasket leak or carbie base gasket but more likely to be ignition prob.

Cheers dingdong
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FollowupID: 311423

Reply By: Fishin' Dave - Tuesday, Mar 09, 2004 at 11:29

Tuesday, Mar 09, 2004 at 11:29
Thanks for the quick replies.

I wouldn't believe it was carbie but the guy said he was positive.
It definately sounds like it's running on three - sometimes 2 cyl for up to 3 or 4 min at start up. (If it starts on 2 then you will hear the third cut in then the fourth - min apart).
Try as I might I can't work out which cyl isn't firing - almost like random missfire.
It smells very petroly too.
The RACQ said probably blocked jet - I did a lot of beach work with it before I bought my Jeep and Suzi - maybe sand?
Now it just sits in the driveway annoying the hell out of me.
I've had the head off twice so I doubt the inlet manifold is leaking - I looked at it pretty hard.
I've had the carbie off the inlet manifold once to check and there was no sign of leak - can't hear any unusual hissing (sucking).

I think the key is the backfire.
At hwy speed, if I take my foot off the pedal the guy behind thinks I'm shooting at him - I mean realy LOUD bags - scares the hell out of you.
On occasion it comes good for a few days.

Thanks again.

Dave >

AnswerID: 49641

Reply By: Mikef_Patrol - Tuesday, Mar 09, 2004 at 11:53

Tuesday, Mar 09, 2004 at 11:53
Hi Dave

Might be the ignition leads. As they are most likely carbon leads, they do break down eventually.

Just buy on lead and substitute a lead as you go through 'em one by one.

Worth a try

MikeF
AnswerID: 49642

Follow Up By: Fishin' Dave - Tuesday, Mar 09, 2004 at 14:20

Tuesday, Mar 09, 2004 at 14:20
Thanks Mike - checked all the obvious and I'm pretty sure it isn't a spark problem.

Dave >
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FollowupID: 311440

Reply By: sonny - Tuesday, Mar 09, 2004 at 13:54

Tuesday, Mar 09, 2004 at 13:54
Dave

If you're after a replacement carby, I have an original off of a 2.3 lt Jackaroo, that only did about 10000 km before it was replaced by a Webber carby. I no longer have the Jackaroo, but still have the original carby from it.
AnswerID: 49656

Follow Up By: Fishin' Dave - Tuesday, Mar 09, 2004 at 14:22

Tuesday, Mar 09, 2004 at 14:22
VERY interested.
Where are you and how much are you looking for.

At worst it would eliminate the carbie - at best it might fix it.

Dave >
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FollowupID: 311442

Follow Up By: sonny - Tuesday, Mar 09, 2004 at 16:55

Tuesday, Mar 09, 2004 at 16:55
Dave

I am in Toowoomba. Would like $70 + postage.

Regards

Shane
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FollowupID: 311448

Follow Up By: Fishin' Dave - Tuesday, Mar 09, 2004 at 17:56

Tuesday, Mar 09, 2004 at 17:56
Yeah - still VERY interested.
Any idea on postage? - or do you ever get to Brisvagas?
I bought a canoe from Toowoomba which is getting delivered tomorrow - bit short notice to get it on the same truck unfortunately.

Can you give me a phone number to contact you - email me direct if you like - nugget@ausfish.com.au

Dave >
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FollowupID: 311465

Reply By: bob - Tuesday, Mar 09, 2004 at 14:15

Tuesday, Mar 09, 2004 at 14:15
Cracked distributor cap? Spark "tracking" to earth via distributor base? When it warms up it may insulate better therefore problem goes away.
Try a new cap - not very expensive - I replace all of my HT stuff every 2 years.
Regards
Bob
AnswerID: 49660

Follow Up By: Fishin' Dave - Tuesday, Mar 09, 2004 at 14:21

Tuesday, Mar 09, 2004 at 14:21
Yeah - been down that track - cap, rotor, leads, plugs... stubourn bugger of a fault.

Dave >
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FollowupID: 311441

Reply By: dingdong - Tuesday, Mar 09, 2004 at 14:47

Tuesday, Mar 09, 2004 at 14:47
Hi Dave
Have you tried condensor I had similar probs with a subaru many years ago also with a new condensor as well .

Cheers dingdong
AnswerID: 49662

Follow Up By: Fishin' Dave - Tuesday, Mar 09, 2004 at 17:53

Tuesday, Mar 09, 2004 at 17:53
Yeah - it's in the bin.
Can't hear the music but who cares the car won't run anyway!

Thanks for your thoughts.

Dave >
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FollowupID: 311464

Reply By: Stoker - Tuesday, Mar 09, 2004 at 21:58

Tuesday, Mar 09, 2004 at 21:58
Dave,
Timing might need a small adjustment. If you have checked with a timing light and no joy just make sure the timing marks are lining up. Remove no.1 spark plug and place a suitable screwdriver in hole. By hand turn motor over until the crankshaft pulley shows TDC for no.1 cyl. By rocking pulley backwards and forwards make sure the piston is at the top of its travel by feeling movement of screwdriver. If it appears to be out check the keys in the crankshaft and cam pulley. One may be damaged.
Cheers Peter
AnswerID: 49705

Follow Up By: Fishin' Dave - Wednesday, Mar 10, 2004 at 06:27

Wednesday, Mar 10, 2004 at 06:27
Thanks Peter

I put the timing belt on myself so I know it is 'tooth correct' - I would have expected a timing fault to be there consistently.
I've had a case with another car where the harmonic balance is a friction fit which has slipped putting the timing mark way out.

I'm going to get this carbie from Toowoomba and give it a go - I've been down every other track and am usually pretty thourough.

Cheers mate.

Dave >
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FollowupID: 311533

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