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Forums › The Car › 206 Problems › ECU/engine misfire |
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 Posted: Tue Jan 11, 2011 1:36 pm |
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Joined: Feb 08, 2010
Posts: 7045
Trade Rating: +5
Location: In the garage
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Map sensor is on the front of the inlet. Sounds like you found it because all the others are hidden under the plastic bit on the TB.
MAP sensor
TB with idle control valve missing.
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| 2001 GTi 138, Bilstein Sprint dampers, H&R springs, 21mm Peugeot Sport torsion bars, 22mm rear ARB, Peugeot Sport Group A wishbones, 283mm discs, Goodridge stainless hoses, Maniflow 304 grade 4-2-1 2.5" manifold and system, 200 cell cat, Richard Longman head, 45mm Jenvey throttle bodies, 9.5mm TB spacers, 90mm air horns, Jenvey throttle linkage, Jenvey fuel rail, Aeromotive and Goodridge fuel fittings and braided hose, ITG sausage filter, Radtec custom radiator, Piper Ultimate Road cams, Piper vernier pulleys, Omex 600 ECU. Saxo electric PAS pump, Vibra Technics engine mounts. Samco coolant hoses, TTV steel flywheel, 4.76 final drive ratio, 307 CC 180 ratios. 2019 BMW 530i. 2017 Mercedes C300 convertible. | |
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Posted: Wed Jan 12, 2011 3:48 am |
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Joined: Jul 03, 2010
Posts: 282
Trade Rating: +1
Location: Norfolk
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Yeah thas it. I saw a picture online of Pug MAP having a yellow resistor looking thing in the hole, but it was too similar for it not to be right. Idle control valve is a check too. Cleaned the opening as well as the rubber pusher and shaft.
I removed the unit on the right of the TB which is still attached on you second picture but Had no idea what is was so put it back 
And after a little bit of time I finally removed the 5mm of carbon deposits on the plenum. I know this won't make a differnace as it doesn't effect the opening. But it made me feel better.
Thanks for the pictures, it's set my mind at rest that i've got the right bits.
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Posted: Wed Jan 12, 2011 6:04 am |
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Joined: Feb 08, 2010
Posts: 7045
Trade Rating: +5
Location: In the garage
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The block with the wiring to it on the right is the throttle position sensor.
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| 2001 GTi 138, Bilstein Sprint dampers, H&R springs, 21mm Peugeot Sport torsion bars, 22mm rear ARB, Peugeot Sport Group A wishbones, 283mm discs, Goodridge stainless hoses, Maniflow 304 grade 4-2-1 2.5" manifold and system, 200 cell cat, Richard Longman head, 45mm Jenvey throttle bodies, 9.5mm TB spacers, 90mm air horns, Jenvey throttle linkage, Jenvey fuel rail, Aeromotive and Goodridge fuel fittings and braided hose, ITG sausage filter, Radtec custom radiator, Piper Ultimate Road cams, Piper vernier pulleys, Omex 600 ECU. Saxo electric PAS pump, Vibra Technics engine mounts. Samco coolant hoses, TTV steel flywheel, 4.76 final drive ratio, 307 CC 180 ratios. 2019 BMW 530i. 2017 Mercedes C300 convertible. | |
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Posted: Wed Jan 12, 2011 3:26 pm |
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Joined: Feb 07, 2010
Posts: 119
Trade Rating: 0
Location: Newport
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I have exactly the same problem on my GTi (W 2000). Cold starting is a right pain now. It Idles at 1000-1100 rpm & she shudders & shakes. After idling for 5 minutes she settles down to 750-800 rpm & is as smooth as silk.
As long as the engine is warm she starts up lovely, but during the last cold snap we just had it was a nightmare in the mornings.
I have now changed the sparks, map & engine temp sensor. Plus lots of sensors have also been cleaned up.
I believe the problem is now definately the lifters, or the oil. Took my car to a local garage back last summer for a service & the problem started roughly the same time. I believe he put the wrong oil in (too thick) so on cold starts its too thick for the lifters to bleed & pump until the oil warms up. Either that or my lifters are on their way out.
I sympathise with you as its doing my head in now as well.
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| 206 GTi With Full SP Pack. | |
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Posted: Wed Jan 12, 2011 3:31 pm |
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Joined: Nov 27, 2010
Posts: 11520
Trade Rating: +10
Location: What's it to you? ? ?
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This is the info from Pug about the hydraulic tappet issue for early car's
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Posted: Wed Jan 12, 2011 3:37 pm |
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Joined: Feb 07, 2010
Posts: 119
Trade Rating: 0
Location: Newport
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I believe i read somewhere as well that some Pug garages were swapping the oil ducts & lifters over from the 2.2 EW12J4 thus also curing the problem. Does anyone no if this is correct?
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| 206 GTi With Full SP Pack. | |
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Posted: Wed Jan 12, 2011 3:53 pm |
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Joined: Feb 08, 2010
Posts: 7045
Trade Rating: +5
Location: In the garage
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Well mine spluttered on startup as soon as I fitted the Longman cylinder head. When the new cams and throttle bodies were fitted some new genuine Peugeot lifters were fitted and it's not spluttered since.
Only downside is the genuine lifters are over £300.
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| 2001 GTi 138, Bilstein Sprint dampers, H&R springs, 21mm Peugeot Sport torsion bars, 22mm rear ARB, Peugeot Sport Group A wishbones, 283mm discs, Goodridge stainless hoses, Maniflow 304 grade 4-2-1 2.5" manifold and system, 200 cell cat, Richard Longman head, 45mm Jenvey throttle bodies, 9.5mm TB spacers, 90mm air horns, Jenvey throttle linkage, Jenvey fuel rail, Aeromotive and Goodridge fuel fittings and braided hose, ITG sausage filter, Radtec custom radiator, Piper Ultimate Road cams, Piper vernier pulleys, Omex 600 ECU. Saxo electric PAS pump, Vibra Technics engine mounts. Samco coolant hoses, TTV steel flywheel, 4.76 final drive ratio, 307 CC 180 ratios. 2019 BMW 530i. 2017 Mercedes C300 convertible. | |
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Posted: Tue Mar 01, 2011 10:08 am |
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Joined: Jul 03, 2010
Posts: 282
Trade Rating: +1
Location: Norfolk
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So I cleaned the throttle body, Idle control valve and map sensor. Replaced the spark plugs with boshe super fours and fitted a brand new coil pack.
Also the car has have a brand new exhaust including cat.
What else could this be before lifters? I've spent enough on the cars suspension and tyres over the past week or so and 300more without fitting is out of the question.
I already have to find 500quid for cambelt change and major service due in a month or so.
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Posted: Tue Mar 01, 2011 11:05 am |
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Joined: Jul 03, 2010
Posts: 282
Trade Rating: +1
Location: Norfolk
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Also, auto oil level indicator never seems to be accurate, it varies day to day even when parked in the same spot. Am i using the wrong oil to top it up etc. I've been told to use 10w40 so i've been using castrol magnetec. Bu tas the has only just clocked 50000miles should I be using 5w40? Would this help with the cold start probably?
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Posted: Tue Mar 01, 2011 11:50 am |
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Joined: Feb 08, 2010
Posts: 7045
Trade Rating: +5
Location: In the garage
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5W40 is what Peugeot recommend, won't make any difference really. I'd never rely on the dashboard oil guage.
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| 2001 GTi 138, Bilstein Sprint dampers, H&R springs, 21mm Peugeot Sport torsion bars, 22mm rear ARB, Peugeot Sport Group A wishbones, 283mm discs, Goodridge stainless hoses, Maniflow 304 grade 4-2-1 2.5" manifold and system, 200 cell cat, Richard Longman head, 45mm Jenvey throttle bodies, 9.5mm TB spacers, 90mm air horns, Jenvey throttle linkage, Jenvey fuel rail, Aeromotive and Goodridge fuel fittings and braided hose, ITG sausage filter, Radtec custom radiator, Piper Ultimate Road cams, Piper vernier pulleys, Omex 600 ECU. Saxo electric PAS pump, Vibra Technics engine mounts. Samco coolant hoses, TTV steel flywheel, 4.76 final drive ratio, 307 CC 180 ratios. 2019 BMW 530i. 2017 Mercedes C300 convertible. | |
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Posted: Tue Mar 01, 2011 12:05 pm |
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Joined: Feb 07, 2010
Posts: 3085
Trade Rating: +12
Location: Essex
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I would give the engine a Forte flush and replace the oil with the recommended 5-40W oil...... this would be your cheapest next step but dont expect to get instant results..... after you have changed the flushed oil you should take it on a long run
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Posted: Wed Mar 02, 2011 2:45 pm |
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Joined: Feb 07, 2010
Posts: 119
Trade Rating: 0
Location: Newport
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You could also try changing the Air Temperature Sensor located just above the Map Sensor, they are only about £6-£10.
This sensor could cause cold idling issues if damaged / dirty.
www.aa1car.com/library...ensors.htm
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| If the intake air temperature sensor is not reading accurately, the PCM may think the air is warmer or colder than it actually is, causing it to miscalculate the air/fuel mixture. The result may be a lean or rich fuel mixture that causes driveability symptoms such as poor idle quality when cold, stumble on cold acceleration, and surging when the engine is warm. |
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| 206 GTi With Full SP Pack. | |
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Posted: Wed Mar 02, 2011 3:14 pm |
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Joined: Feb 08, 2010
Posts: 7045
Trade Rating: +5
Location: In the garage
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Air temp sensor won't make a massive difference unless it was really giving dodgy outputs.
For every 10 degrees increase in temp you need about 3% less fuel.
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| 2001 GTi 138, Bilstein Sprint dampers, H&R springs, 21mm Peugeot Sport torsion bars, 22mm rear ARB, Peugeot Sport Group A wishbones, 283mm discs, Goodridge stainless hoses, Maniflow 304 grade 4-2-1 2.5" manifold and system, 200 cell cat, Richard Longman head, 45mm Jenvey throttle bodies, 9.5mm TB spacers, 90mm air horns, Jenvey throttle linkage, Jenvey fuel rail, Aeromotive and Goodridge fuel fittings and braided hose, ITG sausage filter, Radtec custom radiator, Piper Ultimate Road cams, Piper vernier pulleys, Omex 600 ECU. Saxo electric PAS pump, Vibra Technics engine mounts. Samco coolant hoses, TTV steel flywheel, 4.76 final drive ratio, 307 CC 180 ratios. 2019 BMW 530i. 2017 Mercedes C300 convertible. | |
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Posted: Sun Mar 06, 2011 4:29 pm |
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Joined: Jul 03, 2010
Posts: 282
Trade Rating: +1
Location: Norfolk
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In the picture above am i right in thinking that grey plug on the bottom of the TB is the air temp sensor?
I cleaned this area and the problem improved for a few days. for 15quid it's has got to be worth a shot. One is on the way just in case.
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Posted: Mon Mar 07, 2011 6:18 am |
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Joined: Feb 08, 2010
Posts: 7045
Trade Rating: +5
Location: In the garage
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The grey plug on the front of the TB is the air temp sensor. The grey one on the manifold is the map sensor.
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| 2001 GTi 138, Bilstein Sprint dampers, H&R springs, 21mm Peugeot Sport torsion bars, 22mm rear ARB, Peugeot Sport Group A wishbones, 283mm discs, Goodridge stainless hoses, Maniflow 304 grade 4-2-1 2.5" manifold and system, 200 cell cat, Richard Longman head, 45mm Jenvey throttle bodies, 9.5mm TB spacers, 90mm air horns, Jenvey throttle linkage, Jenvey fuel rail, Aeromotive and Goodridge fuel fittings and braided hose, ITG sausage filter, Radtec custom radiator, Piper Ultimate Road cams, Piper vernier pulleys, Omex 600 ECU. Saxo electric PAS pump, Vibra Technics engine mounts. Samco coolant hoses, TTV steel flywheel, 4.76 final drive ratio, 307 CC 180 ratios. 2019 BMW 530i. 2017 Mercedes C300 convertible. | |
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