2000 mustang 3.8
Thread Starter
Joined: Sep 2022
Posts: 8
From: Alabama
2000 mustang 3.8
Car vibrates aggressively while idling, driving, in any gear or in neutral, I've replaced lower o2 sensors, fuel pump and filter, injectors, iac valve, did a compression test and have ~ 120 on each cylinder, basically everything shy of the throttle control valve Harmon balencer and engine mounts, before I throw anymore money in the pit can someone give me an idea of what's wrong, I'm thinking harmonic balancer but I have a 150k mile motor paired to a 200k mile trans so maybe something went wrong in the installation or the trans is shot
Gentleman's Relish
Joined: Feb 2005
Posts: 13,189
From: AZ
Car vibrates aggressively while idling, driving, in any gear or in neutral, I've replaced lower o2 sensors, fuel pump and filter, injectors, iac valve, did a compression test and have ~ 120 on each cylinder, basically everything shy of the throttle control valve Harmon balencer and engine mounts, before I throw anymore money in the pit can someone give me an idea of what's wrong, I'm thinking harmonic balancer but I have a 150k mile motor paired to a 200k mile trans so maybe something went wrong in the installation or the trans is shot
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