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Author Subject: Engine trouble, lack of power
stan_306gti6 Forum Admin

Location: Kent

Registered: 18 Jan 2004

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Post #26
Hmm

Interesting...your symptoms don't point to a typical MAP sensor failure to be honest but hopefully a new one will cure it. Thumbs up

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"Supercharged - 454.1bhp/317.5lb/ft"
Peugeot 306 GTi-6
2000 (X), Moonstone Love
Posted 31st Oct 2012 at 09:33
funscott

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Post #27
if it doesnt cure it i wont be paying for it Smile they just need to keep getting sensors until they find the right one. not my problem at the end fo the day.

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Posted 31st Oct 2012 at 10:45
swiftyboi006

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Post #28
Like stan says it doesnt sound like map but nor to me does it sound like tps or coil pack? Coils are usualy working or not but sometimes intermitent, not in the way your experiencing the problem tho.

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Posted 31st Oct 2012 at 11:13
stan_306gti6 Forum Admin

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Post #29
Coil packs usually break down when they are subjected to heat. Therefore, quite often it's common to see a car which starts and runs ok but when it gets up to temperature it starts to misfire etc.

________________________________________

"Supercharged - 454.1bhp/317.5lb/ft"
Peugeot 306 GTi-6
2000 (X), Moonstone Love
Posted 31st Oct 2012 at 11:55
mattgti6phase2

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Location: inside my 6 abusing the tarmac!!

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Post #30
I've had this before in the past where the car started fine but once warm it ran on 3 cylinders and sounded like a scooby. Replaced the coil pack and its been fine ever since.

As above they are subjected to very high temps. Even once the engine is switched off the temps go higher due to heat soak. They only need so much as a hair line crack and that will cause a miss fire.

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Posted 31st Oct 2012 at 12:27
swiftyboi006

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Post #31
^^^^yes but i didnt think this was the issue i thought it ran crappy for the 1st few mins by the look of the 1st few posts

________________________________________

cherry p1.....SOLD (regreting this)
blaze p2.....why did i buy this SOLD
Black p3 Love
Posted 31st Oct 2012 at 13:26
mattgti6phase2

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Post #32
Indeed but as the issue isn't solved all avenues should still be explored.

________________________________________

Team Nile 6 Superman
Team: 40.2 MPG Smile
5 x a 306 owner!
currently abusing type r's in a town near you ™ Wink
I truely live for the 306 ®
Build date: 29th October 1997 Wednesday's car
midweek madness Tee hee
Posted 31st Oct 2012 at 14:00
funscott

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Post #33
runs rubbish first few minutes (from cold) then the engine sounds fien but once you try drive it it has no power above 2000rpm and starts t oshudder if you tyr to accelerate. brown smoke from the exhaust under acceleration.

lambda replace, cat looks ok

map sensor gettign fitted today.

getting the bus is getting on my t1ts

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Posted 31st Oct 2012 at 14:17
mattgti6phase2

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Post #34
Also IMO opinion the car wouldn't run if the MAP sensor was fooked, I unplugged mine as i thought there was an issue with it and the engine died straight away.

________________________________________

Team Nile 6 Superman
Team: 40.2 MPG Smile
5 x a 306 owner!
currently abusing type r's in a town near you ™ Wink
I truely live for the 306 ®
Build date: 29th October 1997 Wednesday's car
midweek madness Tee hee
Posted 31st Oct 2012 at 14:18
stan_306gti6 Forum Admin

Location: Kent

Registered: 18 Jan 2004

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Post #35
mattgti6phase2 wrote:
Also IMO opinion the car wouldn't run if the MAP sensor was fooked, I unplugged mine as i thought there was an issue with it and the engine died straight away.


Yep, generally these engines won't idle at all if the MAP sensor is knackered. Wink

________________________________________

"Supercharged - 454.1bhp/317.5lb/ft"
Peugeot 306 GTi-6
2000 (X), Moonstone Love
Posted 31st Oct 2012 at 15:33
mattgti6phase2

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Post #36
So then the black smoke would be fuel which then goes back to other things above that have already been mentioned.

________________________________________

Team Nile 6 Superman
Team: 40.2 MPG Smile
5 x a 306 owner!
currently abusing type r's in a town near you ™ Wink
I truely live for the 306 ®
Build date: 29th October 1997 Wednesday's car
midweek madness Tee hee
Posted 31st Oct 2012 at 16:17
swiftyboi006

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Post #37
Leaky injector? Maybe more than 1

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cherry p1.....SOLD (regreting this)
blaze p2.....why did i buy this SOLD
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Posted 31st Oct 2012 at 16:38
ryangti6

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Post #38
As I always advise anyone before changing sensors etc check the basics.

Take your spark plugs out and check the condition, they should point you straight to the cylinder that has the problem and go from there. You describing it as a hog bike sounds like its down a cylinder and the lack of ability to rev sounds the same. It could be as simple as a dodgy spark plug but you won't know if you don't take them out.

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Ryan
Posted 31st Oct 2012 at 16:55
swiftyboi006

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Post #39
^ i recon its something along these lines plug, coil or injector

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cherry p1.....SOLD (regreting this)
blaze p2.....why did i buy this SOLD
Black p3 Love
Posted 31st Oct 2012 at 17:01
funscott

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Post #40
Map sensor changed.all working again

Plugs had been looked at and were fine.

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Posted 31st Oct 2012 at 17:03
funscott

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Post #41
To be fair to the garage they didn't charge me for another diag or labour.cost me £50 for the sensor all in

Ps why can't I edit previous posts

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Posted 31st Oct 2012 at 17:08
swiftyboi006

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Post #42
Glad to hear your all working again Thumbs up

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cherry p1.....SOLD (regreting this)
blaze p2.....why did i buy this SOLD
Black p3 Love
Posted 31st Oct 2012 at 17:15
stan_306gti6 Forum Admin

Location: Kent

Registered: 18 Jan 2004

Posts: 21,768

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Post #43
funscott wrote:
To be fair to the garage they didn't charge me for another diag or labour.cost me £50 for the sensor all in

Ps why can't I edit previous posts


Excellent news, glad you're back on the road. Thumbs up

As for the post editing, there's a problem with this currently but we're working on it. Smile

________________________________________

"Supercharged - 454.1bhp/317.5lb/ft"
Peugeot 306 GTi-6
2000 (X), Moonstone Love
Posted 31st Oct 2012 at 18:36

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