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  1. How to properly clean MAP sensor system? - Geo Metro Forum

    Oct 19, 2012 · I know the MAF sensor cleaner stuff works great... cleared an oxygen sensor check engine light code caused by excess oil from the newly rebuilt engine & new K&N filter …

  2. MAP Issue - Geo Metro Forum

    Sep 6, 2018 · As soon as you attach the hose to the map sensor it dies. I bought an original MAP sensor that is identical to my own that is supposed to be working but as soon as i attach the …

  3. Code 51 - Geo Metro Forum

    May 24, 2012 · The computer uses the MAP sensor to check the EGR, so sometimes a bad MAP sensor will set an EGR code (51). Therefore you might want to check the MAP sensor. Also, …

  4. Seeking Top End Power - Page 22 - Geo Metro Forum

    Oct 15, 2012 · I opened up the fuel pressure regulator (carefully), cleaned the diaphram & little piston with MAP sensor cleaner, put a .065" stainless steel washer under the cap to put more …

  5. Low idle, stumbling - Geo Metro Forum

    Dec 23, 2022 · You could try cleaning up the air intake with some carb cleaner, and checking the hose to the map sensor, air filter, pcv, . The PCM or ECU controls the injector and ISC on …

  6. Pictures of Vacuum line routing - Geo Metro Forum

    Aug 31, 2019 · Does anyone have pictures of the vacuum line routing for a 93 manual 1.0 with California emissions. The diagram on the hood isn't working out for me.

  7. geo wont start - Page 4 - Geo Metro Forum

    Dec 4, 2010 · MAP + Intake vacuum = BAROmetric pressure at the time ==================== do this ; because you probably did not fix the problem - and you will …

  8. Map sensor issue - Geo Metro Forum

    Dec 25, 2012 · Just curious, who recommended replacing the map sensor and why? Is the check engine light on? I suggest putting the original sensor back on and further testing before moving …

  9. MAP SENSOR FAILURE - Geo Metro Forum

    Jan 28, 2013 · Hi folks, I think my MAP sensor may be bad or going bad. Has anyone ever been successful fixing one by simply cleaning it out with a solvent, like MAS Cleaner? Just trying to …

  10. Codes p0134 and p0171 twice - Geo Metro Forum

    Dec 22, 2011 · So I would start with replacing the vacuum hoses unless you want to spray the intake manifold gaskets and hoses with carb. cleaner or starting fluid or use propane to find …