Poor Acceleration
F2-58flowchartF2 section = 1.8L K8-ZE V6 engine.
Troubleshooting Guide
Poor Acceleration (STEP 9–12)
1
STEP 9: Is volume air flow sensor OK? (page F2-150) I. Does measuring core move smoothly? II. Check resistance
No
Repair or replace volume air flow sensor
Yes
2
STEP 10: Are spark plugs OK? (section G) Plug gap 1.0–1.1 mm (0.040–0.043 in)
No
Clean or replace spark plug
Yes
3
STEP 11: Is resistance of ignition coil OK? (section G) Resistance [at 20°C (68°F)]: Primary coil winding 0.49–0.73 Ω; Secondary coil winding 20–31 kΩ
No
Replace distributor
Yes
4
STEP 12: Is engine compression correct? (section B2) Engine compression (minimum): 981 kPa (10.0 kgf/cm2, 142 psi)-300 rpm
No
5
Check engine condition (section B2): Worn piston, piston rings, or cylinder wall; Defective cylinder head gasket; Distorted cylinder head; Improper valve seating; Valve stuck in guide
Volume air flow sensor resistance (Step 9 II)
E2 ↔ VS
Closed throttle position Resistance (Ω)200–1000
Wide open throttle Resistance (Ω)20–800
E2 ↔ VC
Closed throttle position Resistance (Ω)200–400
Wide open throttle Resistance (Ω)200–400