90 gt warm miss
Posted: Mon Jun 29, 2009 8:25 pm
I have a 90 gt 3.1 that has a miss when it warms up. It's not a random miss but very consistent. The car has a new fuel pump (with 38 psi press), new IAC, temp sensor, and 02 sens, air filter and fuel filter. I also put new plugs and wires in and a used ign. module. It almost acts like it's out of time. It has the digital dash and the temp never goes over the 1/4 mark, so I checked the hot temp and it was only 164. I then let the car idle for 15 min till it hit 200 and still no change. I was wondering if a crank sensor can cause this kind of issue, or do they either work or they don't. Also someone brought up the map sensor but it tested good with a multimeter. The car still runs pretty good for 20 yrs old and gets 30 mpg (after I put in a new TCC solonoid) but the miss kinda annoys me, especially when I hit a red light and have to put it in neutral or it starts to lope pretty bad. Any sugg. are greatly appreciated 
