Repairs, Maintenance, Help
1991 Dodge Spirit 2.5 TBI (155K) bad idle slowly drops to 100 RPM then pops back up to 700 RPM as it warms up. Idles good in park (800 RPM). Idles fair in drive (700 RPM). Idles bad in drive with AC on (oscillates 700 RPM to 100 RPM 20 seconds cycles). Over two years replaced fuel pump, fuel...