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Author 1.4 16v engine experts needed ASAP PLEASE !!!
MR2Mike
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Registered: 20th Jan 05
Location: Old Trafford. Drives: MR2 N/A
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16th Dec 05 at 22:29   View User's Profile U2U Member Reply With Quote

right soem of you may remember me telling you my car lost about 40% at least lol, well its just had cambelt, tensioners, water pump, pulleys etc done, and its cured it a bit, but when i set off the car dies and almost stalls its going that slow !!! im talking 10mph for like 5-6 seconds with my foot to the floor, it just wont move !!! no piss takers please, you dont realise just how slow i mean lol

what could cause such drastic power loss?? clutch maybe??

sorry for lecture

m1ke
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Registered: 9th Sep 05
Location: Tewkesbury
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16th Dec 05 at 22:32   View User's Profile U2U Member Reply With Quote

have you checked you cambelt and checked it is tensioned right !!! have you checked your aceeltor cable to make sure it isent sticking, (gettin stuck)
could you give some more detail and what you have checked etc
thanks
Mike
MR2Mike
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Registered: 20th Jan 05
Location: Old Trafford. Drives: MR2 N/A
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16th Dec 05 at 22:38   View User's Profile U2U Member Reply With Quote

i cant check the cambelt myself, but this mechanic is sound, should be fine, the rattling has certainly gone and it is quicker than before lol. its had a brand new battery on also.

it generally in first and second... when you TRY to set off from lights you just cant lol, it rolls forward no faster than if you was pushing it on your own ! no joke! lol then all of a sudden at about bloody 4k revs, all the power comes at once, and obviously all at once it throws you back into your seat and your off like a mofo lol.

its a pain in the arse honeslty, will do paper clip test tomora if i can but its not going to tell me much i dont think.

Thanks

[Edited on 16-12-2005 by Mike_Corsa]
Basscrazy
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Registered: 16th Sep 05
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16th Dec 05 at 22:38   View User's Profile U2U Member Reply With Quote

ugh minedid that with my 1.2 then revs would go crazy once it sped up it wasmy air mass sensor i dunno if ur has one tho
MR2Mike
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Registered: 20th Jan 05
Location: Old Trafford. Drives: MR2 N/A
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16th Dec 05 at 22:39   View User's Profile U2U Member Reply With Quote

hmm not sure buddy, its a lot more noticeable with the 1.4 16v, as normally, its fairly quick (compared to 1.2 before anyone starts being gay)
evna
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Registered: 18th Oct 05
Location: Halesowen, Birmingham
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16th Dec 05 at 22:43   View User's Profile U2U Member Reply With Quote

crank sensor mate, had it go on my 106...seems like a FKING massive flat spot...which then decides to kick in?
MR2Mike
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Registered: 20th Jan 05
Location: Old Trafford. Drives: MR2 N/A
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16th Dec 05 at 22:53   View User's Profile U2U Member Reply With Quote

yeah very big possibility mate. thanks. they a twat to change on your own ?

[Edited on 16-12-2005 by Mike_Corsa]
Ant
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Registered: 12th May 02
Location: Hereford and Worcester
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16th Dec 05 at 23:03   View User's Profile U2U Member Reply With Quote

defo not your mass airflow meter as you wont have 1, I would remove induction kit (if fitted) and reset ecu.
MR2Mike
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Registered: 20th Jan 05
Location: Old Trafford. Drives: MR2 N/A
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16th Dec 05 at 23:08   View User's Profile U2U Member Reply With Quote

remove induction kit? shouldn't be that mate surely?? lots of people still use them and its certainly getting cold air at the minute lol
Ant
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Registered: 12th May 02
Location: Hereford and Worcester
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16th Dec 05 at 23:21   View User's Profile U2U Member Reply With Quote

I wouldnt have thought it is that but its worth a try surely?
MR2Mike
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Registered: 20th Jan 05
Location: Old Trafford. Drives: MR2 N/A
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16th Dec 05 at 23:28   View User's Profile U2U Member Reply With Quote

ill try crank sensor mate, i dont think induction kit could make such a difference, i honestly cant put into words the loss in power off mark lol.
Ant
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Registered: 12th May 02
Location: Hereford and Worcester
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17th Dec 05 at 00:17   View User's Profile U2U Member Reply With Quote

I would try an ecu reset and switch to std airbox over a part that will cost 60+ from vauxhall
Dave A
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Registered: 10th Dec 03
Location: County Durham
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17th Dec 05 at 11:11   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by Mike_Corsa
ill try crank sensor mate, i dont think induction kit could make such a difference, i honestly cant put into words the loss in power off mark lol.


if your crank sensor was faulty it wouldnt even start.
PaulW
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Registered: 26th Jan 03
Location: Atherton, Greater Manchester
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17th Dec 05 at 12:24   View User's Profile U2U Member Reply With Quote

pos. vacuum leak around the manifold, or maybe even a dodgy coil pack??

might be worth checking plugs/leads and if you know someone with a spare coilpack, check that too
Gripe
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Registered: 3rd Jul 05
Location: Whitby
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17th Dec 05 at 12:27   View User's Profile U2U Member Reply With Quote

I have the same car as you (1.4 16V) and had the same problem but not as serious. Took off the viper induction and reset the ecu. Now its fine.
MR2Mike
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Registered: 20th Jan 05
Location: Old Trafford. Drives: MR2 N/A
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17th Dec 05 at 18:37   View User's Profile U2U Member Reply With Quote

im going to take the induction kit off and put air box back on. (local garage said to me today that it was fuckin everythin up).

how do you go about resetting the ecu ?
MR2Mike
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Registered: 20th Jan 05
Location: Old Trafford. Drives: MR2 N/A
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17th Dec 05 at 18:38   View User's Profile U2U Member Reply With Quote

PaulW plugs were only changed about 3k miles ago.
causer63
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Registered: 23rd May 05
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18th Dec 05 at 14:00   View User's Profile U2U Member Reply With Quote

it wudnt b that ur camblet was outta tension becuz itd more likely break! cranksensores are a pice of piss 2 change urself just 2 small torx bolts at the bottom of the engine.
Ally
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Registered: 2nd Jul 03
Location: Pontypool Drives: a Skoda
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18th Dec 05 at 14:27   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by corsa808
quote:
Originally posted by Mike_Corsa
ill try crank sensor mate, i dont think induction kit could make such a difference, i honestly cant put into words the loss in power off mark lol.


if your crank sensor was faulty it wouldnt even start.


Im pretty sure that if the crank sensor is shagged then the hall/knock sensor takes over instead and the ECU can get a reading from that.

Mike, let Rich know what sensors you need as there is a full 1.4 16v up the unit left from a conversion
ainsley_brader
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Registered: 24th Mar 02
Location: Tattershall, Lincolnshire
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18th Dec 05 at 21:32   View User's Profile U2U Member Reply With Quote

When you say power loss for a few seconds does it bog down and then suddenly take off as normal?

I had this on my 1.6, changed plug leads and cured it a massive difference.

Ainsley
mikehiow
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Registered: 12th May 05
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19th Dec 05 at 06:33   View User's Profile U2U Member Reply With Quote

similar to my coupe, would possibly say it was an ignition issue, does it happen more when its cold?
MR2Mike
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Registered: 20th Jan 05
Location: Old Trafford. Drives: MR2 N/A
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19th Dec 05 at 09:12   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by ainsley_brader
When you say power loss for a few seconds does it bog down and then suddenly take off as normal?

I had this on my 1.6, changed plug leads and cured it a massive difference.

Ainsley


yes mate, exactly that, i could honestly push it faster
MR2Mike
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Registered: 20th Jan 05
Location: Old Trafford. Drives: MR2 N/A
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19th Dec 05 at 09:13   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by mikehiow
similar to my coupe, would possibly say it was an ignition issue, does it happen more when its cold?


well its only just started doing it since its gone fuckin freezing outside mate, so yeah id say so lol. induction kit wont be helping
a_j_mair
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Registered: 23rd Jan 04
Location: Scotland
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19th Dec 05 at 11:15   View User's Profile U2U Member Reply With Quote

check your ht leads are in good condition. If they are crack etc, have a look at them at night. U will know if they need replacing then
MR2Mike
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Registered: 20th Jan 05
Location: Old Trafford. Drives: MR2 N/A
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19th Dec 05 at 11:22   View User's Profile U2U Member Reply With Quote

may stick some performance ones on, maybe for about 40 max.

where would be best place to buy those? (if mine are indeed fucked) lol

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