1.3 efi running on three cylinders

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1.3 efi running on three cylinders

Post by Marshman on Wed Sep 12, 2012 4:33 pm

Hello everyone I am new to the site and have recently bought a 1.3 16v EFI /lpg Hijet van, brilliant ! I have a problem it's only running on 3 cylinders, I have changed the coil ,swapped the injector still no luck . There's a good spark and the voltage at the injector plug is the same as the rest of cylinders. There are no nasty valve type noises, I have even cleaned the fuel rail. The engine is the same on gas as it is on petrol. Where do I go next ECU ? Can anyone please help.

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Re: 1.3 efi running on three cylinders

Post by HighlyJetted on Wed Sep 12, 2012 5:20 pm

Does yours have 4 coil packs (one on each plug) or is it one with the dual coil pack system?

What's it like on water? If you take it for a drive running crap, or leave it to tick over on your drive does it boil over?
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still on 3

Post by Marshman on Wed Sep 12, 2012 7:50 pm

Its the four coil pack system bought a new coil from Daihatsu £ 140 + vat! It still runs on 3 when you take it for a drive , doesn'nt boil ticking over on the drive .The fan kicks in and out and the temp stays roughly in the middle of the gauge. It starts brilliantly every time which is surprising its a 2003 model if that helps.

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Re: 1.3 efi running on three cylinders

Post by HighlyJetted on Wed Sep 12, 2012 8:21 pm

Right then, you'll need to help me a little to help you.

Does the cylinder that doesn't fire have a spark?

Does it misfire all the time or just at certain engine speeds?

Have you changed the plugs?
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Re: 1.3 efi running on three cylinders

Post by Marshman on Wed Sep 12, 2012 8:36 pm

The cylinder has a good spark

It does'nt fire at any speed

I have changed the plug

Starting to pull hair out !

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Re: 1.3 efi running on three cylinders

Post by HighlyJetted on Wed Sep 12, 2012 8:44 pm

If you put a long screwdriver on the injector can you hear it cracking open and closed like the others?
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Re: 1.3 efi running on three cylinders

Post by Marshman on Wed Sep 12, 2012 9:02 pm

Raining and dark, I'll give it a go in the morning and post the result . Thanks for your help it will be great to get her running .

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Re: 1.3 efi running on three cylinders

Post by Logi on Wed Sep 12, 2012 9:05 pm

Hello, Smile

Welcome to the fun of Hijets....

Compression check?
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Re: 1.3 efi running on three cylinders

Post by Marshman on Thu Sep 13, 2012 8:31 am

Hello again; tried the screwdriver on the injector this morning and it sounds the same as all the others. The engine check light is now on ,the diagnostic socket looks to be at the right of the steering wheel does anyone know which pins to connect to read the flash code !

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Re: 1.3 efi running on three cylinders

Post by HighlyJetted on Fri Sep 14, 2012 11:20 pm

What does the socket look like? I've never found it to this day!! I do the bodge method as described in the link below.

If it looks like this you'll need a scanner, and you have the first OBD2 hijet on the forum!



If it doesn't please tell us where it is?! And read this page:-

http://www.daihatsuhijet.co.uk/hijet-diagnostic-engine-warning-light-flash-codes/

If that doesn't help it'll be a brown and black wire which needs to go to ground.

What I wonder now is, how do you know which cylinder is even miss firing if you have a spark and the injector is clicking? Is it a regular miss fire?
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Re: 1.3 efi running on three cylinders

Post by Marshman on Sat Sep 15, 2012 3:14 pm

hello again the socket looks just like that; and is just to the right of the steering collum . I beleive it is on obd2 there is a box mounted on the wheel arch which says OBD11-UFIX.I found which cylinder it was by pulling off coil wires and listening to change of engine note, duff cylinder no change confirmed it by compression test, only getting a little compression under load. So conclusion its a valve or valves ;so its head off and off to the reconditioners ! I will post again with results of the valve job. Off to sell one of the children to pay for it !!

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Re: 1.3 efi running on three cylinders

Post by HighlyJetted on Sat Sep 15, 2012 5:29 pm

Eeek! Not an easy fix for that.

Maybe take the rocker cover off and have a look at the valves top side, maybe its snapped or the rocker arm had failed or something accessable with out removing the engine.

Maybe maybe maybe prey!
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Re: 1.3 efi running on three cylinders

Post by Logi on Sat Sep 15, 2012 6:43 pm

Logi wrote:Compression check?

Wink
Get a spark plug, break the top off, drill it out, weld an airline coupling on, set cyl at tdc, connect airline.
Air out exhaust, ex valve
Air out carb-inlet valve
Air out dipstick-rings/piston
Air out rad-h/gasket

Seemples Very Happy
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Re: 1.3 efi running on three cylinders

Post by rich the mechanic on Sat Sep 15, 2012 8:01 pm

If it is a bent valve so long as it isn't kinked or totally knackered get someone with a lathe and gently straighten it out I had to do the valves for the rear cylinder on ours when the cam belt tensioner bearing failed.
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Re: 1.3 efi running on three cylinders

Post by Marshman on Sat Sep 15, 2012 8:50 pm

Going to investigate further tomorrow ,some good advice thanks everyone I'll let you know what I find !

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Re: 1.3 efi running on three cylinders

Post by HighlyJetted on Sat Sep 15, 2012 11:16 pm

Logi wrote:
Wink
Get a spark plug, break the top off, drill it out, weld an airline coupling on, set cyl at tdc, connect airline.
Air out exhaust, ex valve
Air out carb-inlet valve
Air out dipstick-rings/piston
Air out rad-h/gasket

Seemples Very Happy

Bang tidy technique! Gets a big fat who's yer farther thumbs up from this little knob jockey sat behind this keyboard right here.
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Re: 1.3 efi running on three cylinders

Post by Marshman on Thu Sep 27, 2012 8:46 am

It's alive ! Major problem now solved , one exhaust valve knackered . I've had the head skimmed and all the vaves refaced and reseated and she's purring like a kitten. The tick over is a bit high ,not sure if its me mucking it up on rebuild or if previous owner tried to compensate for lack of power.So its just that to sort out; and some really worn top door rollers. Thanks to everyone for thier help !

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Re: 1.3 efi running on three cylinders

Post by Logi on Thu Sep 27, 2012 8:49 am

cheers
Good news. Get some pics up now it works Smile
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