20 Most Recent 2001 Volvo V40 Questions & Answers

You need a professional mechanic with a scanner. Never drive a car with a flashing check engine light except to get it off the road. Flash = serious issue.

Have the EGR valve checked. This unit is the exhaust gas recirculation valve and when faulty it WILL cause loss of power.

Sounds like the transmission interlock switch for the starting circuit is malfunctioning. It keeps the car from starting in gearshift position but park. The interlock switch can be temporarily jumped out of the circuit to test if this alleviates the starting issue. If it does, get repaired immediately since this is a safety feature.

Talk to the person you bought it from. Ask if it happened to them. YOu don't describe what is not working. Is the starter turning the engine over? Is there spark? Is there gas? Etc

Hi there my name is Brandon I am a electrical and mechanical engineering technician did you program the th... system and the key and what bout the ecu (is engine control unit it has to be problem) ecu is probably not sending start to cam and crank sen... I would put money on it or the th... system not taking the keys code for it

Most likely your key has failed. You should find and try your spare key if you still have it. If not, then you will require someone with a tool to scan immobilizer codes and verify if there is a fault in the immo system or if it simply is saying INVALID KEY. If its faulted, it will require repairs. If its invalid key, you can use your backup key, or have a new key programmed by a mechanic or locksmith with key programming tools

Immobiliser key transmitter failure?

It's your built in security alarm , have you changed the battery lately ? The procedure to reset it is: Unlock drivers door with key, then use key fob in unlock door mode, put key in ignition switch, foot on brake , transmission in park or neutral and clutch depressed (If applicable )

Black Smoke is too much fuel, Blue Smoke is Oil and White Smoke is Coolant. Sounds like the Catalytic Converter is burning itself out because of too much fuel.

Sounds like a bad Idle Control Valve, have it scanned and see for sure.

A lot of the newer Volvo and Ford cars have Electronic Accelerator / throttle pedals fitted which play up when worn. Many complete Accelerator pedals are compatible with the Ford Focus cars in the UK.

You may want to check this one.

You may want to check this video.

Replace the mechanics. It is very easy if you take a look at some guide in a volvo forum.

either the wires are connected wrong and you just fried it..or you have the leads backwards..red is poitive.. black is ground..may need to replace it all again..