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Toad
Alfasud
Joined: 19 Mar 2003
Posts: 42
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 Posted: Fri Aug 17, 2007 4:37 pm Post subject: 16v running badly at startup |
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Well I dusted off my old computer and got my favourites sorted,
remembered my old password and hey presto here I am... Long time since I've been here.
Anyhows I'm currently driving a 146 16v and on startup it runs like a pig sounds like it's on 3 cylinders until it warms up, which is taking some time because it's thermostat is stuck open.
Any ideas ?
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paulhide
P4
Joined: 20 Dec 2003
Posts: 1607
Location: Oh Beautiful Billingham
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| Posted: Fri Aug 17, 2007 5:22 pm Post subject: |
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Okay pull off leads by distributor with insulated pliers and see which one makes no difference, so you know which cylinder is not firing then check lead, plug, blown head gasket etc.
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http://www.alfa-pages.co.uk/viewtopic.php?t=5188 |
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john 33_16v
16 Valve
Joined: 27 May 2005
Posts: 1406
Location: herts, uk
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| Posted: Sat Aug 18, 2007 12:46 pm Post subject: |
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Hi,
If it runs smoother when warmed up, could be temp sender to ecu at fault.
If its using lots of fuel, possibly the lambda probe (oxygen sensor).
John
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93 33 16v Mirtle Met
08 Fiat Grande Punto Exotica Red
90 Yamaha FZR600 Genesis- Silky white/red/blue |
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Toad
Alfasud
Joined: 19 Mar 2003
Posts: 42
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| Posted: Mon Aug 20, 2007 2:31 pm Post subject: |
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Thanks for the feedback
Where is the temp sender ? and does that feed the temp gauge ?
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bobbber
P4
Joined: 14 May 2003
Posts: 2162
Location: The Greatest Town on Earth - Swadlincote, UK
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| Posted: Mon Aug 20, 2007 3:00 pm Post subject: |
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The temperature sender for the ECU and for the dash are separate and different. There is also ANOTHER for the temp warning light.
Someone better than me with the 16 valve will tell you where it is.
Bob
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john 33_16v
16 Valve
Joined: 27 May 2005
Posts: 1406
Location: herts, uk
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| Posted: Mon Aug 20, 2007 4:10 pm Post subject: |
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Think the ecu temp sender is near the nsf throttle body, kinda on the inside, opposite the injector if you know what i mean.
John
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If it aint broke, fiddle with it until it is!
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93 33 16v Mirtle Met
08 Fiat Grande Punto Exotica Red
90 Yamaha FZR600 Genesis- Silky white/red/blue |
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Toad
Alfasud
Joined: 19 Mar 2003
Posts: 42
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| Posted: Tue Aug 21, 2007 9:10 am Post subject: |
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Thanks Guys I'll have a look at my spare engien and swap parts over.
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