Having problems with your 2001 Volvo S40 ?

Have a 2001 Volvo s40. it was low on oil and check engine light began flashing. when I stopped the car, the oil was very very low. begin to see puffs of white smoke. After checking oil and adding 3 qts. when I cranked the car, lots of white smoke came from tailpipe and under engine. No oil and water mixing, car did not ever overheat. had a friend come by and he changed the spark plugs and ignition pack according to the code that was being given. Car is still running rough and white smoke.

Posted / edited by AnonymousUser on : 24-09-2018

Answers :

\012Hello
When the service engine\012soon light (Also called the check engine light or engine management\012light) is turned on this is to alert you to the fact that Powertrain\012Control Module (computer) has detected a failure somewhere in the\012systems it controls you may not feel any difference in the way the\012engine runs, this can be the transmission or the engine or emission\012system, there are fault codes set in the modules memory for these\012faults. What needs to happen now is to have the powertrain control\012module scanned with a special tool called an OBD2 electronic engine\012control scanner or a OBD2 code reader. Once the code(s) are read then\012you must perform the diagnostics for each code and make the\012appropriate repairs based on the findings of the diagnosis that was\012performed, this is called doing "Pinpoint" testing.

Repair Help & Product Troubleshooting for 2001 Volvo S40

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