LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Ford >> 1995 >> Probe Base, Standard >> Repair and Diagnosis >> Engine Performance >> System >> EGR Function Testing >> EGR Valve Testing >> Electronic EGR Valve
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Electronic EGR Valve

  1. Connect vacuum gauge to valve. Start engine. Apply 6-10 in. Hg to EGR valve and hold. Engine speed should drop at least 100 RPM or stall. Vacuum should not drop more than 1 in. Hg in 30 seconds.
  2. Check vacuum lines for correct routing. Disconnect vacuum hose at EGR valve and connect vacuum gauge to hose. On 1.9L EFI, disconnect idle air by-pass valve. On all models, accelerate engine to 2000-2500 RPM and release throttle. Repeat 8-10 times and check for consistent response.
    NOTE: EGR Vent Solenoid (EGR-VSOL) allows a small vacuum signal (less than 2.5 in. Hg) at idle.
  3. If vacuum rises above zero with cold engine, EGR solenoid is leaking and should be replaced. With engine at normal operating temperature, vacuum should rise above 15 in. Hg and return to zero when throttle is released. If EGR system operates as indicated, system is functioning correctly.
scientia non olet · About LEMON Manuals