 5sfe computer bad??? |
 Nov 3, 2014 - 11:32 PM
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Enthusiast  Joined Oct 27, '14 From Rio rancho, nm Currently Offline Reputation: 1 (100%)  |
I have a 94gt and I have replaced the iac valve 3 times with new ones oem and it still won't idle right. At first when I swapped it it was perfect 750 rpm idle then after about a month it started to fluctuate then it got worse and wouldn't idle at al and would just kill the engine till warm. I tested the voltage at the ecu with the engine off key on and one wire to the iac had battery voltage and the other had .23 volts my pin out chart says it should have battery voltage at both. Also when driving I occationally get fuel cut at 4000 rpm and it's hard to get it above that. I'm thinking it's the ecu but I'm not sure. Any ideas are helpful.
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Posts in this topic
Marsstar505 5sfe computer bad??? Nov 3, 2014 - 11:32 PM
Smaay if you are getting some sort of shutdown at 4000, ... Nov 4, 2014 - 9:25 AM Marsstar505 The timing belt only has 10k miles on it. It feels... Nov 4, 2014 - 11:55 AM HaysoosKreesto Sounds to me like a type of leak, when was the las... Nov 5, 2014 - 12:23 AM VavAlephVav You can take the ECU out and carefully inspect the... Nov 5, 2014 - 4:50 PM Marsstar505 I rebuilt the motor 10k miles ago and at that time... Nov 6, 2014 - 10:17 AM mkernz22 You should try retarding the timing. 14 is a littl... Nov 6, 2014 - 1:28 PM VavAlephVav I think stock ignition timing is 12 degrees if you... Nov 6, 2014 - 3:09 PM Marsstar505 There is a small spot on the ecu but it doesn... Nov 6, 2014 - 8:29 PM Smaay 14 is safe, but you should be running premium gas.... Nov 6, 2014 - 9:08 PM Marsstar505 I retarded the timing back to 12 degrees and now i... Nov 7, 2014 - 9:47 PM Marsstar505 Can anyone confirm that the pin voltage chart is r... Nov 14, 2014 - 11:34 PM bboytech I think that those IAC valves rarely go bad,as lon... Dec 27, 2014 - 11:10 PM
Marsstar505 I replaced the coolant temp sensor as it was cheap... Jan 3, 2015 - 8:42 PM  |
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