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Old 02-11-2012, 11:39 PM
asdcmo asdcmo is offline
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Join Date: Feb 2012
Posts: 4
Angry Code 157 and all kinds of trouble

I originally had a code for TPS, MAF, IAT. I don't remember the P CODES. (USED A FRIENDS SCANNER). But with the old flasher reader I got a 157 998 and one for the IAT. I have replaced the TPS and MAF. Now I have pulled a code 542, 538, 136, 157, 172 and 542. I tried the wiggle test and the only thing that sounded the alarm was when I unplugged the TPS. Not the MAF, IAT, or even unplugging the coil packs. I have check my fuel pressure and it goes from 30 to 70 psi after a start it as soon as the check engine light comes on.
1993 Ranger EXT CAB 4.0 2WD

No one can bar the road to truth, and to advance its cause I am prepared to accept even death. But may it be that repeated lessons will finally teach us not to stop the writer's pen during his lifetime -Alexander Solzhenitsyn-

Last edited by asdcmo; 02-14-2012 at 05:40 PM.
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code 157, fmem, maf, maf nightmare, mass air flow sensor

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