93 1.8 Runs & Misses bad

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blueline1956
Posts: 3
Joined: Tue Jun 12, 2007 5:41 am
Car: Nissan Sentra & Altima

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93 XE runs great for the first 30 seconds then starts to miss. Misses at idle and does not excel without the bucking and spitting routine.ECU shows no prob during diagnostics checkreplace computer coolant temp sensorfuel pres 47 psiNew plugs cap rotor wiresHaynes manual S***S have new cd rom on the wayTPS and MAF Sensor do not Ohm out according to Haynes but thats where I'm not holding any validity. Any suggestions or other resources would be greatly appreciated. TIA Jim


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nismo2K2
Posts: 153
Joined: Tue Apr 03, 2007 4:58 am
Car: 2012 Versa Sedan

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did you check the timing on engine to make sure its correct? have you tried checking all your vaccum lines?

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Twilight sentra tuner
Posts: 211
Joined: Sun May 13, 2007 10:08 pm
Car: 00' Sentra Gxe

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sounds like a vacuum problem or there may be an obstruction in your intake. check your intake piping for any obstructions. could probably be a bad air filter. try replacing it if u haven't.

AWDB12wagon
Posts: 314
Joined: Sat Sep 23, 2006 6:37 am
Car: 1989 Nissan Sentra 4WD

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93 didnt have a 1.8L, whats your tps voltage at WOT and closed? check the fuel filter.

blueline1956
Posts: 3
Joined: Tue Jun 12, 2007 5:41 am
Car: Nissan Sentra & Altima

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My Bad. 1.6L GA16DE. The TPS is on my list for today and the Fuel Pres Reg.

AWDB12wagon
Posts: 314
Joined: Sat Sep 23, 2006 6:37 am
Car: 1989 Nissan Sentra 4WD

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So wha'd u find out?

blueline1956
Posts: 3
Joined: Tue Jun 12, 2007 5:41 am
Car: Nissan Sentra & Altima

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After all was said and done, One of the brand new Ignition wires (1 mth old) had broken down. New set of wires runs great. The bright side is I'm now very familiar with all the components and there test proceedures !! Many man hrs spent here and my Haynes Manual shows the distributor turning CW for a 93, Mine turns CC, another aggrivating thing Thanks again for your help....


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