It's a manual. If I accelerate at lower revs it sputters. Not noticeable at higher revs. Runs on a little when I switch it off (pre-ignites!)
Doesn't always start on first rev when I turn it on. OK so it's not serious but considering it's got 100,000k less on the clock than my Odessey I would have expected better because my Odyssey behaves very well.
I got it from Auckland to Whangarei OK and am getting to and from work in it. It's at the mechanic now and he found he had to advance the timing a lot to fix it and was going to look at the distributor. I think he must be having problems as I havn't heard back.
ofive,
Oct 12, 12:48pm
Well considering ya Odessey has 5 million ks on the clock.
phillip.weston,
Oct 12, 12:52pm
yeah the running on is the ignition timing too far retarded causing hot spots in the combustion chamber. Advancing ignition should fix that and will probably help with the rough running down low. It could be the cam-belt has skipped a tooth too.
What engine does it have in it! Do you know if it's carburettored or EFI!
intrade,
Oct 12, 1:03pm
also what fuel do you run in it. having to advance timing mutch usually means the engines are about nuked its bigends from running 91 and pinking the bigend bearings so the pistons dont reach tdc in time for ignition.
bit,
Oct 12, 1:20pm
Just bought it last weekend. 91. Don't know what last owner used but noticed the prob b4 I topped up. Is there anything wrong with advancing the timing! It's only got 120,000 ks on it so should have lotsa life although I accept if it's been abused the ks don't mean squiddly. Just viewed an auction for similar car with the same problem.
phillip.weston,
Oct 12, 1:56pm
Is it the NZ-new model with the SOHC engine or the import with the DOHC engine!
bit,
Oct 12, 2:00pm
NZ new. Hang on I'll try to find out more details.
bit,
Oct 12, 2:06pm
1.5 GLS hatchback. Engine number 4G15-SQ3639 65KW. Assembled in Japan.
phillip.weston,
Oct 12, 3:04pm
ok - next step is to determine if it's EFI or carburettored.
bit,
Oct 12, 3:14pm
Well. Looks like it's staying at the mechanics for the weekend. He's gone home so I won't be able to find out now.
ceebee2,
Oct 12, 4:35pm
Has it got points ignition or electronic as that was about the change over year if I remember!
If electronic then timing will not alter unless a problem in the dizzy like seized counterweights or perforated vacuum advance which just about every Mirage has.
If contacts, then points are out of adjustment and tend to close up retarding ignition.
phillip.weston,
Oct 12, 5:22pm
Mirages haven't had points ignition since the early 80s! Has been either electronic hall effect pick up sensor since OR multiple coil packs and a crank angle sensor driven by the engine ECU. If it's fuel injected it wont have vacuum advance OR mechanical counterweights - the ignition curve is purely determined by the ECU and the distributor merely directs spark to each cylinder and also doubles as a crank angle/camshaft angle sensor.
However if this IS a carburettored model which it *may* be, then what I said above doesn't apply.
phillip.weston,
Oct 12, 5:38pm
also from looking at that auction it seems you've already come across it and also seems that others are reporting the same issues!
bit,
Oct 12, 8:22pm
Yes. That was the auction I mentioned above although I haven't determined if it's just when cold. Previous owner said the belt was replaced and my mechanic, having viewed it, is confident that is the case. He's had it 2 days now which makes me think he's scratching his head.
Oh well. Sounds like not something internal to the engine. Phew. I know someone else with a 1992 mirage and seem to recall it running on also.
I'll let you know what my mech comes up with.
ceebee2,
Oct 13, 12:16pm
One thing everyone may have overlooked is if it is a carburettoredone, more than likely the waxstat choke is not operating or jammed half shut.really common in mitsi"s.
phillip.weston,
Oct 13, 2:01pm
could you say that again! don't think I quite caught that!
pge,
Oct 13, 4:29pm
Is there an echo in here!.
bit,
Oct 13, 4:52pm
Is there an echo in here!.
Thanks ceebee. In fact that was my first thought, that if it's carburettored a carb kit may fix it.
ceebee2,
Oct 13, 4:57pm
Man I am hating the slow load .load.load.LOL
splinter67,
Oct 13, 5:01pm
Come on time for an upgrade or are you on dailup
ceebee2,
Oct 14, 11:48am
DSL from PNG or a spear for a satellite!
thejazzpianoma,
Oct 14, 12:10pm
Computers points probably need cleaning and gapping.
bit,
Oct 15, 3:06pm
It was a coil in the dizzy. The timing had been advanced to 15 to make it run better but should normally be at 8 degrees (if I've got that right). When returned to 8 it would backfire. They checked the valve clearances, which had been tampered with, apparently in an attempt to remedy. They took the dizzy to an auto electrician for checking and found the spark to be very poor so replaced the coil at a cost of $223 ex gst supplied and fitted. Entire job including service: $743.89 ouch. It still pinks if I put my foot down and runs on.
At least it was nice and clean under the rocker cover, apparently been well maintained.
usdefault,
Oct 15, 4:37pm
Sounds brilliantly maintained.
phillip.weston,
Oct 15, 8:12pm
running on could be too high of an idle speed or the fuel cut off solenoid not working. Would pay to check the spark plugs to make sure they are the correct heat range. Try running a higher octane fuel such as 95 to see if that helps with the pinking.
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