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Author Topic: Crank Sensor Quandry  (Read 1421 times)

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kingers

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Crank Sensor Quandry
« on: 02 June 2010, 22:44:47 »
I've bitten the bullit and booked the car ('98 2 litre petrol) into the garage next week to see what they think the problem is with the random misfire i'm getting.

Clip test shows 0335 - incorrect rpm signal

Cam and Crank Sensors have been replaced by last owner in last 18 months.

If he says it needs another crank / cam sensor am I going around in circles uneccesarily or are these sensors repeat problems in these cars?
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Andy B

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Re: Crank Sensor Quandry
« Reply #1 on: 02 June 2010, 22:47:03 »
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....or are these sensors repeat problems in these cars?

they can be if cheap pattern parts are used  ;)
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John Lewis

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Re: Crank Sensor Quandry
« Reply #2 on: 02 June 2010, 22:47:14 »
Seems to depend on whether the crank sensor was genuine GM/Vaux last time. Apparently eBay jobbies are poor and can fail straight away. Just getting one for mine this week, and gonna go to Vauxhall for it.

Not sure about cam sensor.

EDIT: Andy B beat me, lol
« Last Edit: 02 June 2010, 22:47:38 by johnlewis »
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kingers

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Re: Crank Sensor Quandry
« Reply #3 on: 02 June 2010, 22:56:28 »
Both were genuine parts.....
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kingers

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Re: Crank Sensor Quandry
« Reply #4 on: 09 June 2010, 21:17:53 »
Well dropped it down to the garage and they had the problem diagnosed in 5 minutes - coil pack had a bare wire and was arking off the engine  ::)

New coil pack 95+vat, should pick it up tomorrow - expecting it to feel a hell of a lot better to drive.
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Andy B

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Re: Crank Sensor Quandry
« Reply #5 on: 10 June 2010, 00:58:59 »
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Well dropped it down to the garage and they had the problem diagnosed in 5 minutes - coil pack had a bare wire and was arking off the engine  ::)

New coil pack 95+vat, should pick it up tomorrow - expecting it to feel a hell of a lot better to drive.

A result! (expensive result though  :()  :y
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kingers

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Re: Crank Sensor Quandry
« Reply #6 on: 10 June 2010, 20:54:42 »
Could have been more expensive, the garage got quoted 170+vat for a spurious one!  (prices are euro).

Tis small beans in the context of what the car provides as a driving / ownership prospect.
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davethediver

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Re: Crank Sensor Quandry
« Reply #7 on: 10 June 2010, 21:20:46 »
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Could have been more expensive, the garage got quoted 170+vat for a spurious one!  (prices are euro).

Tis small beans in the context of what the car provides as a driving / ownership prospect.

 :o :o :o

Jast bought a new one for mine 70 english genuine bosch part sorted misfire straight away. :y
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PhilRich

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Re: Crank Sensor Quandry
« Reply #8 on: 10 June 2010, 21:28:36 »
Sounds like your Garage knows its stuff  :y
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kingers

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Re: Crank Sensor Quandry
« Reply #9 on: 16 June 2010, 23:24:53 »
well got the car back and it's running a hell of a lot better, but not 100%, it still has an odd misfire and still feels dead down low in the rev range. 

I've a strong suspicion its the plugs - gonna pull them out and replace them in the next week to see if it cures it.  No sign of when they were last done.
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Marks DTM Calib

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Re: Crank Sensor Quandry
« Reply #10 on: 17 June 2010, 12:17:01 »
Quote
Well dropped it down to the garage and they had the problem diagnosed in 5 minutes - coil pack had a bare wire and was arking off the engine  ::)

New coil pack 95+vat, should pick it up tomorrow - expecting it to feel a hell of a lot better to drive.

Surely you mean plug lead.....as coil packs have no wires.  :y
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sjc

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Re: Crank Sensor Quandry
« Reply #11 on: 17 June 2010, 13:25:25 »
That's what I was thinking too.
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kingers

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Re: Crank Sensor Quandry
« Reply #12 on: 17 June 2010, 18:50:51 »
didn't see it myself, maybe it was the plug lead off it but the coil pack was replaced
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kingers

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Re: Crank Sensor Quandry
« Reply #13 on: 20 June 2010, 18:03:15 »
aaarrgh!!  afer about 50 miles it started misfiring again pretty bad, worse on more than 1/4 throttle.

Going to change the plugs and see if that helps.....

Anyone got any clue what this could be??
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dbug

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Re: Crank Sensor Quandry
« Reply #14 on: 20 June 2010, 18:13:59 »
Quote
aaarrgh!!  afer about 50 miles it started misfiring again pretty bad, worse on more than 1/4 throttle.

Going to change the plugs and see if that helps.....

Anyone got any clue what this could be??

Plug leads?
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