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Discussion Starter #1
Hello all,
My daughters car sat for 3 months unused and required a new batter which I installed , car starts no problem but once up to temperature will idle very badly or cut out. I have cleaned the throttle body and there are no fault codes , the car will idle with the air con switched on,
I have disconnected the battery again and left it overnight but does not make any difference
It is a 2007 1.6 petrol with 55,000 miles on the clock
Any ideas would be appreciated
Thank you

853 Posts
1A-50 Engine General Information and Diagnosis:
Improper engine idling or engine fails to idle

Faulty spark plug “Spark Plug Inspection in Section 1H”
Leaky or disconnected high-tension cord “High-Tension Cord Removal and Installation
in Section 1H”
Faulty ignition coil with ignitor “Ignition Coil Assembly (Including Ignitor)
Inspection in Section 1H”
Fuel pressure out of specification “Fuel Pressure Check”
Leaky manifold, throttle body, or cylinder head gasket
Malfunctioning EGR valve “EGR Valve Inspection (If Equipped) in Section 1B”
Faulty evaporative emission control system
“EVAP Canister Purge Inspection in Section 1B”
Faulty EGR system “EGR System Inspection (If Equipped) in
Section 1B”
Faulty fuel injector(s) “Fuel Injector Circuit Check”
Poor performance of ECT sensor or MAF sensor
“Engine Coolant Temperature (ECT) Sensor
Inspection in Section 1C”, or “Intake Air Temperature (IAT) Sensor Inspection in
Section 1C”
Faulty electric throttle body assembly “Electric Throttle Body Assembly On-Vehicle
Inspection in Section 1C”
Faulty APP sensor assembly “Accelerator Pedal Position (APP) Sensor
Assembly Inspection in Section 1C”
Faulty ECM
Loose connection or disconnection of vacuum hoses
Malfunctioning PCV valve “PCV Valve Inspection in Section 1B”
Engine overheating Condition “Engine overheating”
Low compression “Compression Check in Section 1D”
Camshaft position control (VVT) system out of order (for engine with VVT system)
“Oil Control Valve Inspection (For Engine with VVT) in Section 1D”
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