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Author Topic: Engine noise, terminal? Pt2  (Read 6334 times)

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TheBoy

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Re: Engine noise, terminal? Pt2
« Reply #30 on: 05 April 2010, 20:11:36 »

Tunnie turned up with a couple of senny leads, replaced no3 which looks tired, no change.

Then he nicked some bulbs to get his through mot :o
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cem_devecioglu

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Re: Engine noise, terminal? Pt2
« Reply #31 on: 05 April 2010, 20:30:41 »

if that car stays longer there will be no second car nothing to worry about left  ;D
« Last Edit: 05 April 2010, 20:32:03 by cem_devecioglu »
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tunnie

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Re: Engine noise, terminal? Pt2
« Reply #32 on: 05 April 2010, 20:34:48 »

Quote
Tunnie turned up with a couple of senny leads, replaced no3 which looks tired, no change.

Then he nicked some bulbs to get his  mother tunnies estate through mot :o

You won't be needing them, its not going any ware  ::)

Well not until i reach pot 6 on that DIS, reckon if i take off 3 again and put 6 on first, we won't have to take plenum off.
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TheBoy

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Re: Engine noise, terminal? Pt2
« Reply #33 on: 05 April 2010, 20:39:00 »

Quote
Quote
Tunnie turned up with a couple of senny leads, replaced no3 which looks tired, no change.

Then he nicked some bulbs to get his  mother tunnies estate through mot :o

You won't be needing them, its not going any ware  ::)

Well not until i reach pot 6 on that DIS, reckon if i take off 3 again and put 6 on first, we won't have to take plenum off.
In my heart of hearts, I dont expect it to be ht related any more. But gotta go through the motions.

My back is giving me some jip this evening after bending over it to get dis in and out  :'(
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tunnie

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Re: Engine noise, terminal? Pt2
« Reply #34 on: 05 April 2010, 20:52:23 »

Quote
Quote
Quote
Tunnie turned up with a couple of senny leads, replaced no3 which looks tired, no change.

Then he nicked some bulbs to get his  mother tunnies estate through mot :o

You won't be needing them, its not going any ware  ::)

Well not until i reach pot 6 on that DIS, reckon if i take off 3 again and put 6 on first, we won't have to take plenum off.
In my heart of hearts, I dont expect it to be ht related any more. But gotta go through the motions.

My back is giving me some jip this evening after bending over it to get dis in and out  :'(

Get yourself a 2.2, doddle to reach that coil pack  :)

Prob be around 10 ish in the morning? - Still want to go to the scrappy even if pot 6 lead still has it running like bag spanners?
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Kevin Wood

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Re: Engine noise, terminal? Pt2
« Reply #35 on: 05 April 2010, 22:41:18 »

Quote
In my heart of hearts, I dont expect it to be ht related any more. But gotta go through the motions.

My back is giving me some jip this evening after bending over it to get dis in and out  :'(

Have you got a timing light you can put on no.6? Just to verify there's a spark? (although if no.3 is firing you may well get a flash of the strobe anyway) :-/

If you turn it over with the crank sensor disconnected does it crank evenly? Just wondering.. If it's got a pot without compression you'll hear it turn through 5 compression strokes and then miss a beat.

Kevin
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Lazydocker

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Re: Engine noise, terminal? Pt2
« Reply #36 on: 05 April 2010, 22:46:18 »

Quote
Quote
In my heart of hearts, I dont expect it to be ht related any more. But gotta go through the motions.

My back is giving me some jip this evening after bending over it to get dis in and out  :'(

Have you got a timing light you can put on no.6? Just to verify there's a spark? (although if no.3 is firing you may well get a flash of the strobe anyway) :-/

If you turn it over with the crank sensor disconnected does it crank evenly? Just wondering.. If it's got a pot without compression you'll hear it turn through 5 compression strokes and then miss a beat.

Kevin

Admittedly everything was connected but sounded like it cranked fine on Sunday... Just rattled and clacked like an oil burner when running, on 5 we thought and now confirmed :y
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TheBoy

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Re: Engine noise, terminal? Pt2
« Reply #37 on: 05 April 2010, 22:50:14 »

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When you collect the silver nugget, you can borrow my spark tester...and compression tester
:y
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Kevin Wood

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Re: Engine noise, terminal? Pt2
« Reply #38 on: 05 April 2010, 22:53:57 »

Only other thing I can think of that's easily checked is the injector on that cylinder? Is it connected, firing when it should or (more likely) leaking / gushing fuel when it should be closed?

Getting a strange feeling of deja vu now. ::)

I have a lovely home made injector circuit checker (junior timer socket with an LED on the end) if you like? Fabricated about a month ago as it happens. ::)

Kevin
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mrjimbo

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Re: Engine noise, terminal? Pt2
« Reply #39 on: 06 April 2010, 05:37:42 »

Snapped inlet cam on no6 ? that would make that sort of noise and it would also cause the loss of vacum to the brake servo as the inlet valves would have got jiggy with the piston.
« Last Edit: 06 April 2010, 05:38:32 by mrjimbo »
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TheBoy

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Re: Engine noise, terminal? Pt2
« Reply #40 on: 06 April 2010, 09:14:59 »

Quote
Only other thing I can think of that's easily checked is the injector on that cylinder? Is it connected, firing when it should or (more likely) leaking / gushing fuel when it should be closed?

Getting a strange feeling of deja vu now. ::)

I have a lovely home made injector circuit checker (junior timer socket with an LED on the end) if you like? Fabricated about a month ago as it happens. ::)

Kevin
I had thought that - I had checked that the injectors are wired to the connector that comes out of relevent hole in the injector wiring tray, but not checked further.
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Kevin Wood

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Re: Engine noise, terminal? Pt2
« Reply #41 on: 06 April 2010, 09:46:40 »

Quote
I had thought that - I had checked that the injectors are wired to the connector that comes out of relevent hole in the injector wiring tray, but not checked further.

If you take the plenum off, remove the fuel pump relay and bridge the contacts with a short length of wire with a spade connector on each end you can get the fuel pump to run, and by looking down the intakes you should be able to spot a leaky injector.

Then turn on the ignition and check that no injectors have opened (due to a failed driver in the ECU perhaps?).

Then stop the fuel pump, leaving the relay out, relieve fuel rail pressure and crank it over checking that you get a pulse at each injector socket. (this is where my LED comes in. It's a short pulse so it needs to be an LED with appropriate series resistor rather than a bulb.) Red wire with blue stripe on an injector connector is positive.

Kevin
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cem_devecioglu

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Re: Engine noise, terminal? Pt2
« Reply #42 on: 06 April 2010, 09:54:50 »

Quote
Quote
I had thought that - I had checked that the injectors are wired to the connector that comes out of relevent hole in the injector wiring tray, but not checked further.

If you take the plenum off, remove the fuel pump relay and bridge the contacts with a short length of wire with a spade connector on each end you can get the fuel pump to run, and by looking down the intakes you should be able to spot a leaky injector.

Then turn on the ignition and check that no injectors have opened (due to a failed driver in the ECU perhaps?).

Then stop the fuel pump, leaving the relay out, relieve fuel rail pressure and crank it over checking that you get a pulse at each injector socket. (this is where my LED comes in. It's a short pulse so it needs to be an LED with appropriate series resistor rather than a bulb.) Red wire with blue stripe on an injector connector is positive.

Kevin

 :y :y
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Marks DTM Calib

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Re: Engine noise, terminal? Pt2
« Reply #43 on: 06 April 2010, 13:20:18 »

Quote
Quote
I had thought that - I had checked that the injectors are wired to the connector that comes out of relevent hole in the injector wiring tray, but not checked further.

If you take the plenum off, remove the fuel pump relay and bridge the contacts with a short length of wire with a spade connector on each end you can get the fuel pump to run, and by looking down the intakes you should be able to spot a leaky injector.

Then turn on the ignition and check that no injectors have opened (due to a failed driver in the ECU perhaps?).

Then stop the fuel pump, leaving the relay out, relieve fuel rail pressure and crank it over checking that you get a pulse at each injector socket. (this is where my LED comes in. It's a short pulse so it needs to be an LED with appropriate series resistor rather than a bulb.) Red wire with blue stripe on an injector connector is positive.

Kevin

Or pop the lid off the relay and press the contacts together.
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TheBoy

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Re: Engine noise, terminal? Pt2
« Reply #44 on: 07 April 2010, 19:52:55 »

Hmmm, I see there are a few threads currently about 2.5 v6 misfires ;D

Hope the others aren't as bad as mine :o
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