Several of the symptom procedures call for a careful Visual/Physical.
check. It can lead to correcting a problem without further checks and can
save valuable time. This check should include the following items:
• | Check PCM grounds for being clean, tight, and in their proper
location. |
• | Check vacuum hoses for splits, kinks, and proper connections,
as shown on Vehicle Emission Control Information label -- Check thoroughly
for any type of restriction. |
• | Check air intake ducts for collapsed or damaged areas. |
• | Check air leaks at throttle body mounting area, Mass Air Flow
(MAF) sensor and intake manifold sealing surfaces. |
• | Check ignition wires for cracking, hardness, proper routing and
carbon tracking. |
• | Check wiring for proper connections, pinches and cuts. |