Tech Support Forum - View Single Post - '93 S-10 4.3-tranny shifts hard then normal

**octaneman** · 05-19-2009, 06:16 PM

Hi hoggie

Are there any other fault codes that are present ? The computer maybe acting up on the internal MAP sensor circuit, test the sensor with a vacuum pump with a DVOM hooked up to verify, if all looks good the computer must be replaced.

05-19-2009, 06:16 PM	#2 (permalink)
octaneman Mentor Home Support, Gearhead Automotive Center Join Date: May 2009 Posts: 550 OS: WINXP	Re: '93 S-10 4.3-tranny shifts hard then normal Hi hoggie Are there any other fault codes that are present ? The computer maybe acting up on the internal MAP sensor circuit, test the sensor with a vacuum pump with a DVOM hooked up to verify, if all looks good the computer must be replaced.