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> MAP sensor?
post Aug 3, 2007 - 7:57 PM
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bdog_v

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Hello my 94 celica GT has gone from running *only* at idle to not firing at all it is dead in the water. I have checked for spark and fuel both are there. I even installed new fuel injectors with no luck. So I am wondering if the MAP sensor can act like this when it goes out?


-I tried reading the codes after changing the fuel injectors and what I got was constant blinking check engine light, which I don't believe means anything. Then I disconected the Map sensor and hooked it back up and tried to start the vehicle with no luck and did the code reading one more time. This time I got a 31 which I believe is related to the MAP sensor, now I don't know if I got the code because I had just disconnected it and hooked it back up or if it is the problem???? ANy thoughts....




-Also they are very expensive so I was hoping to pick up a test sensor or two out of a junkyard, now I need to know what years and models of vehicles Toyota made that would have this same sensor? I know I won't find any 94 celicas in our junkyard, maybe a few of there trucks?????? THanks guys
 
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post Aug 4, 2007 - 5:35 PM
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bdog_v

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Well I tried another MAP sensor it still didn't fire. I tried cleaning out the throttle body. It still didn't fire. I put a manual fuel pressure gauge on the fuel line and had at least plenty of psi.I found a guy locally that works on toyotas exsclusively and he said that he believes the distributor has gone out, as the coil and everything is located inside the distributor. He had one toyota he sold slowly do exactly what mine has done, it had spark at the plugs and fuel but would not run. So I am hoping to try a distributor next.

-Does anyone know what might go in these distributors instead of replacing the whole unit????? And what it costs.

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