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FAQ Contribution


Engine Starts but Stops Soon after it has Started

[Volvo 122, 140, 160, 240, 260, 740, 760, 780, 850, 940, 960, C70, P1800, S40, S60, S60R, S70, S80, S90, V40, V50, V70 2.3Liter Turbo 2WD, V70 2.3Liter Turbo AWD, V70 2.4Liter Turbo 2WD, V70 2.4Liter Turbo AWD, V70 2.4L non-Turbo, V70 2.5Liter non-Turbo, V70 2.5Liter Turbo 2WD, V70 2.5Liter Turbo AWD, V70R, V90, XC70, XC90]

Reasons for an engine to start then stop immediately could be:

Loose or faulty electrical connections at distrbutor, coil or altenator
Insufficient fuel reaching the carburetor or fuel injection system
Malfunctioning fuel injection system
Faulty fuel injection relays

From a Customer:
I had this same issue on my 2005 XC70. I was able to get the car running
by disconnecting the MAF sensor wiring.

In troubleshooting I found that the air intake path on the boost side of
the turbo had opened at one of the connections. This loss of pressure
apparently gave the ECM unusual and probably incompatible readings.

I am not happy that it did not give a code since they could using the MAF
determine that there was significant air entering the engine and the turbo
pressure sensor at the output of the intercooler would indicate there was
low pressure. So this condition of an open intake high pressure could be
detected and flagged by the ECM if they had only thought of it. Diagnosing
using engine codes is only as good as what the engineers designed it to
test.

Pricing for 140 FUEL INJECTORS AND RELATED (FUEL SYSTEM)
Pricing for 160 FUEL INJECTORS AND RELATED (FUEL SYSTEM)
Pricing for 1800 FUEL INJECTORS AND RELATED (FUEL SYSTEM)
Pricing for 240 FUEL INJECTION RELAY (RELAYS)
Pricing for 240 FUEL INJECTORS AND RELATED (FUEL SYSTEM)
Pricing for 260 FUEL INJECTION RELAY (RELAYS)
Pricing for 260 FUEL INJECTORS AND RELATED (FUEL SYSTEM)
Pricing for 740 FUEL INJECTION RELAY (RELAYS)
Pricing for 740 FUEL INJECTORS AND RELATED (FUEL SYSTEM)
Pricing for 760 FUEL INJECTION RELAY (RELAYS)
Pricing for 760 FUEL INJECTORS AND RELATED (FUEL SYSTEM)
Pricing for 780 FUEL INJECTION RELAY (RELAYS)
Pricing for 780 FUEL INJECTORS AND RELATED (FUEL SYSTEM)
Pricing for 850 FUEL INJECTION RELAY (FUEL SYSTEM)
Pricing for 850 FUEL INJECTION RELAY (RELAYS)
Pricing for 850 FUEL INJECTORS AND RELATED (FUEL SYSTEM)
Pricing for 940 FUEL INJECTORS AND RELATED (FUEL SYSTEM)
Pricing for 960 FUEL INJECTORS AND RELATED (FUEL SYSTEM)
Pricing for C70 FUEL INJECTORS AND RELATED (FUEL SYSTEM)
Pricing for S40 FUEL INJECTION RELAY (RELAYS)
Pricing for S40 FUEL INJECTORS AND RELATED (FUEL SYSTEM)
Pricing for S60 FUEL INJECTORS AND RELATED (FUEL SYSTEM)
Pricing for S70 FUEL INJECTORS AND RELATED (FUEL SYSTEM)
Pricing for S80 FUEL INJECTORS AND RELATED (FUEL SYSTEM)
Pricing for S90 FUEL INJECTORS AND RELATED (FUEL SYSTEM)
Pricing for V40 FUEL INJECTION RELAY (RELAYS)
Pricing for V40 FUEL INJECTORS AND RELATED (FUEL SYSTEM)
Pricing for V50 FUEL INJECTORS AND RELATED (FUEL SYSTEM)
Pricing for V70 FUEL INJECTORS AND RELATED (FUEL SYSTEM)
Pricing for V90 FUEL INJECTORS AND RELATED (FUEL SYSTEM)
Pricing for XC70 FUEL INJECTORS AND RELATED (FUEL SYSTEM)
Pricing for XC90 FUEL INJECTORS AND RELATED (FUEL SYSTEM)

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