YOU NEED TO CONNECT A TACHOMETER ACCORDING TO THE MANUFACTURERS INSTRUCTION.ON THE 1990 - 1993 MODELS USING A SUITABLE JUMPER WIRE CONNECT THE GREEN AND BROWN TERMINALS OF THE IGNITION TIMING ADJUSTING CONNECTOR LIGHT GRAY WIRE LOCATED UNDER THE RIGHT SIDE OF THE DASH.MAKE SURE ALL WIRES CLEAR OF THE COOLING FAN AND HOT EXHAUST MANIFOLDS.START THE ENGINE POINT THE TIMING LIGHT AT THE TIMING MARK POINTER AND THE CRANKSHAFT PULLEY.ON THE 1990 - 1993 MODELS THE POINTER SHOULD BE ON THE RED MARK 16 DEGREES BTDC ON THE CRANKSHAFT PULLEY AT 700 - 800 RPM.IF NECESSARY ADJUST THE TIMING BY LOOSENING THE DISTRIBUTOR ADJUSTING BOLTSSLOWLY ROTATE THE DISTRIBUTOR IN THE REQUIRED DIRECTION WHILE OBSERVING THE TIMING MARKS.AFTER MAKING THE NECESSARY ADJUSTMENT TIGHTEN THE HOLD DOWN BOLTS TAKING CARE NOT TO DISTURB THE ADJUSTMENT.REMOVE THE JUMPER WIRE.
SOURCE: 1990 Acura Integra Vin codes
The vehicle grade is denoted in the 6th digit, in your case "4" indicates an RS model.
SOURCE: belt replacement 1990 acura integra
Ok, you will need a 10 mm socket and extension and a 14 and 15 mm wrench. One of the "idler" pullies is actualy an adjustable tension pully. loosen the center nut on the pully, and then begin loosening the 10 mm bolt from above. as you loosen it, the pully will drop, and soon enough you can slip the belt off.
good luck
SOURCE: acura integra 1990 turns over fine but doesnt start
for you to check if it is the fuel pump, see if there is fuel running out of the hose if you remove the fuel filter. Another is to directly connect the pump to the battery. If the pump works that way, then it could be a efi relay issue which is found underneath the dash or a wiring issue.
SOURCE: why won't my 1990 acura integra go over 4000 rpm?
Could be fuel filter. This will restrict a lot. If it is automatic it might be your transmission control module. Your check engine light should be coming on if it's not already.
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