Register Login
The UK's No.1 Chrysler Owners Forum
Reply
 
Thread Tools
Old 12-05-2018   #1
Join Date: Apr 2018
Posts: 8
Thanks: 0
Trader Rating: 0
United Kingdom 
Problems when Punto engine warms up.

Hi I have a Fiat Punto 54 reg and I have been having ongoing problems with the Map sensor. The sensor was replaced a year ago by Fiat but the problems have reoccurred.

What normally happens is the engine warning light will come on and then the car will cut out when slowing down but I think it might be something else that is causing the problem that triggers the MAP sensor to go off.

I've noticed that the problem is becoming more frequent as soon as the weather gets hotter or when the engine warms up.

To get around it I put the heater on full blaster and keep topping it up with water.

Any ideas.
__________________
FIAT Forum Useful Links:
Donate to FF | Buy FF Merchandise | Classifieds | FF Insurance | How-to Guides


Last edited by Eklipze3k; 12-05-2018 at 13:36.
jamesr390 is offline Reply With Quote Quote 
Old 12-05-2018   #2
Join Date: Apr 2008
Posts: 16,587
Thanks: 911
Trader Rating: 0
Ziggy122 has donated!
Eggs Champion, Fruit Pairs Champion
United Kingdom 
Re: Problems when Punto engine warms up.

I suspect its not the map sensor at all....

If your loosing coolant and need to keep auxillary fan on to keep cool... youve got something going horriblt wrong...

If engine temp goes to high it trims the fuelling to try and help

A overheating engine could have killed a seal and cause a vacuum leak which the map sensor would pick up....
__________________
!!WANTED!! 3dr Mk2 Punto Roof Bars !!WANTED!!

Meet Bumble-Bee


Ziggy122 is offline Reply With Quote Quote 
Old 12-05-2018   #3
Join Date: Apr 2018
Posts: 8
Thanks: 0
Trader Rating: 0
United Kingdom 
Re: Problems when Punto engine warms up.

Thanks mate, water is not leaking but as I am using the heater more then the water goes. The dianostic test also picked up on the lambda sensor so would that have an effect too.
__________________
FIAT Forum Useful Links:
Donate to FF | Buy FF Merchandise | Classifieds | FF Insurance | How-to Guides

jamesr390 is offline Reply With Quote Quote 
Old 12-05-2018   #4
`
Join Date: Jan 2013
Posts: 6,117
Thanks: 183
Trader Rating: 0
flisko has donated!
United Kingdom 
Re: Problems when Punto engine warms up.

Quote Originally Posted by jamesr390 View Post
Thanks mate, water is not leaking but as I am using the heater more then the water goes. The dianostic test also picked up on the lambda sensor so would that have an effect too.
head gasket? car overheated?
__________________
.
flisko is offline Reply With Quote Quote 
Reply
Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump
Similar Threads
Thread Thread Starter Forum Replies Last Post
(T) Car stalls at idle when warms up k3x1s Grande Punto 1 13-10-2016 23:47
(T) 1.9 JDT doesn't accelerate after engine warms up 1qBalu Stilo 4 20-02-2012 10:17
(T) Cinq starting problems after engine warms up Katana Cinquecento / Seicento 6 18-06-2005 14:29
When the engine warms up it's a bitch to restart Rab FIAT Boo Archives 19 11-12-2003 23:26