I GOT A P0101 ON MY SCANTOOL

2003 Hummer H2

Tiny

eva_adaza

January, 23, 2013 AT 3:09 PM

I got a p0101 on my scantool. Engine rpm is too high. At cold start it reaches 1500 rpm and in a few minutes will rev high to 2500-3000 rpm and it stays there. I replaced the air filter, MAF sensor and the MAP sensor but still didn't fixed the problem. I also used BG air induction cleaner on the throttle body but still didn't solve the problem. Replaced also the spark plugs and did a change oil. Need help. Thanks

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2 Answers

Tiny

saturntech9

January, 23, 2013 AT 5:36 PM

I would first check for vacuum leaks with the syptoms you have with that high idle.A vacuum leak can cause a high idle and skew the map reading and set that code. Also make sure the air inlet tube isnt leaking.

Tiny

saturntech9

January, 23, 2013 AT 6:01 PM

Also pull the vacuum line off the fuel pressure regulator and see if its leaking fuel into the vacuum line?

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