2001 S40 Stalling
Q: “My daughter has a 2001 S40 Turbo, which has a tendency to stall when stopped. At first, the lights around the radio would flash and the car would stall. Took it to a dealer and the only thing they could come up with was to replace the IAC valve. This didn’t solve the problem. Now it stalls when the air conditioning is on and the car is at a stop. Sometimes the car starts to stutter and then the ignition picks up and the car starts to go forward (good thing I had a firm hold on the brake. Other times it just shuts off. Recently the check engine light came on. A code reader indicated P0101, MAF or VAF.”
A: “Turns out it was the battery cables. They were finally able to duplicate the stalling and saw that there was a drop in current between the battery and the fuse box. Replaced both the positive and negative.”
Don’t forget to check the most basic things first when diagnosing stalling, no-start or rough-running problems, folks! Battery, battery cables, spark plugs, air filter and fuel delivery.
Volvo Repair Details
20 Jan 2009Posted in Electrical, Battery, Fuses, Relays, ECU, Starter, ABS module, Alternator Engine, Engine Internals, Turbo, Wastegate, Oil Pump, Air Delivery, Airbox, Air Filter, Camshaft, Valves, Head, Pistons Tips, Reference, Tuneup, Performance Volvo S40 & V40
Tags: battery cables, stalling S40
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I have a 2001 volvo s40 and want to know where is the boost pressure sensor located.