Problems starting when Hot/Warm
Moderators: jifflemon, coyote1980, Rachel
-
- Started learning about 480
- Posts: 96
- Joined: Thu Apr 12, 2007 9:02 am
- Location: durham
Problems starting when Hot/Warm
Can someone shed any light on this. My car will start fine from cold but when I try to start it when it is hot/warm it turns over for about 30 seconds before it decides to fire up
Thanks
Michael
Thanks
Michael
- crispy-d
- Knows an Aerodeck isn't a 480
- Posts: 229
- Joined: Sun Aug 07, 2005 1:09 am
- Location: Ipswich, Suffolk
Think this needs to be in engine section
From what I've heard, if the temperature sensor is dodgy then the ECU can see the engine as being cold all the time, so leaves the choke on. This would obviously flood the engine when starting a warm engine, and would most likely use more fuel. Check the resistance of the sensor, or if you can, just change it anyway - will make it run better!
From what I've heard, if the temperature sensor is dodgy then the ECU can see the engine as being cold all the time, so leaves the choke on. This would obviously flood the engine when starting a warm engine, and would most likely use more fuel. Check the resistance of the sensor, or if you can, just change it anyway - will make it run better!
Volvo 340 GL 1.7 :) - Nice (RWD missed) - sold
Volvo 460 SI Turbo ('Rich Mod' / 2.5" Longlife SS exhaust / 710N CBV / Cold Air Intake) - (Turbo missed) - sold
Volvo S90 3.0 CD 24v (RWD back again! LOVING the straight six :) ) - is 16mpg that bad...? - sold
BMW E34 540i 6-speed Manual V8 :) - sold
BMW E39 M5
Land Rover 110 V8
Volvo 460 SI Turbo ('Rich Mod' / 2.5" Longlife SS exhaust / 710N CBV / Cold Air Intake) - (Turbo missed) - sold
Volvo S90 3.0 CD 24v (RWD back again! LOVING the straight six :) ) - is 16mpg that bad...? - sold
BMW E34 540i 6-speed Manual V8 :) - sold
BMW E39 M5
Land Rover 110 V8
- Big Brother
- Moderator
- Posts: 5128
- Joined: Sun Sep 26, 2004 6:51 pm
- Location: North Wales
-
- Started learning about 480
- Posts: 96
- Joined: Thu Apr 12, 2007 9:02 am
- Location: durham
where to find temp sensor
where do i find the temp sensor, what does it look like
-
- Started learning about 480
- Posts: 96
- Joined: Thu Apr 12, 2007 9:02 am
- Location: durham
car still has this problem, been told a few different things which it could be first lets rule out the temp sensor i have changed it. been told might be a worn camshaft or a tight tappet also been told its fuel evaporation from the engine. starts fine from cold but once the engine been ran for a few minutes then turned off it will take ages to restart (30secs), when it decides to start theres a smell of petrol as if its flooded the engine.
- rpruen
- Friend of Club 480 Europe
- Posts: 2299
- Joined: Wed May 26, 2004 9:09 pm
- Location: Near Bristol (uk)
There are two sensors one for the temp gauge in the car, and one for the ECU.clio 480 turbo wrote:car still has this problem, been told a few different things which it could be first lets rule out the temp sensor i have changed it. been told might be a worn camshaft or a tight tappet also been told its fuel evaporation from the engine. starts fine from cold but once the engine been ran for a few minutes then turned off it will take ages to restart (30secs), when it decides to start theres a smell of petrol as if its flooded the engine.
The ECU sensor has two sensors inside, one for each ECU. The sensor is near No1 spark plug, on the front of the engine and has a 2 pin plug going to it. It's tricky to get at as it is under the throttle body, near the oil seperator/crankcase breather.
The sensor can be teasted, it should measure about 1 to 1.2k ohms when cold between the pins and engine block. Both pins should give about the same reading to the block (+- a little bit). If you use PTFE tape to seal the sensor, it won't earth to the block, use a copper washer instead.
Richard
Car Status: Squashed :(
Now have 765 GLE 2.8 V6
Now have 765 GLE 2.8 V6
-
- Started learning about 480
- Posts: 96
- Joined: Thu Apr 12, 2007 9:02 am
- Location: durham
-
- 480 Newbie
- Posts: 48
- Joined: Sun Sep 02, 2007 5:08 pm
- Location: Cardiff, Southwales / Portsmouth, Hampshire