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2002 Volvo S40 Question: what else could cause engine light codes po107 and po102



sag1158, 1.9L 4 Cylinder Turbo, Ash Fork, AZ, March 14, 2013, 22:40

have replaced maf and map sensors, some vacuum lines, fuel filter, 02 sensors and looking. idles inconsistent, stalls, misfires, hesitates and chokes when steping on the gas pedal. Greatful for any ideas!!!

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    Greg's Orange Auto (14628 Answers) , Orange, CA - (714) 361-9386
    globalhelper March 15, 2013, 09:19

    have smoke test done to determine if there are any vac leaks causing codes

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    sag1158, April 01, 2013, 23:04

    smoke test was neg mechanic thought it was iac valve and had car running much better with vacuum hose off intake above iac. put a new iac on and back to wont run. now he thinks it might be the ecm???
    thank you!!!

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