I have a Mazda 929 (1993) I had the same problem last year...I got a new alternator, and some new wires and spark plugs. Haven't had a problem with it since.
The rubber air tube going from the MAF to the throttle body may have a crack in it.
Civic 91 LX still dont have Obd Port on it. Obd is Usually use for a car with ECU (electronic control unit).
I believe there is an EEC TEST connection in the engine compartment ( OBD I / EEC IV ) near the battery or power distribution box
Yes
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R12
The first OBD regulation in the United States, which required manufacturers to monitor some of the emission control components were installed on all 1991 and newer vehicles sold in California. The last year of the E30 was 1991 i believe..... So if you don't have a 91'...... you dont have a OBD!!!! But there is a check service connecter towards the front of your engine on the drivers side right next to your intake manifold, just remove the cap!! AT
How to remove ignition switch on a 91 Mazda Navajo
Right under the dash on your driver side
under the passanger seat there is a piece of carpet that folds up
A Haynes repair manual for the 91 Mazda 626 features a wiring diagram for the stereo hookup. The manual can be purchased at the book store or checked out from the library.