runs rough
#1
02-17-2021, 10:08 AM
runs rough
Sorry I posted this under "general" and did not understand the format.
I have a 1989 240 that idled smoothly and ran well until I had the engine mounts including the transmission mount replaced by a local shop (I don't have a lift). I used new Volvo brand parts from FCP. When the car was returned it idles rough and at any engine speed is coarse or rough running. It starts easily and idles at the normal RPM speed, accelerates well but clearly is VERY different. It vibrates badly at idle but no missing or skipping or surging. I can't see any obvious installation errors. The work did shift the engine position a tiny bit and the tailpipe hits the frame on the right off and on. No error codes are in memory. I see no visible damage to O2 sensor or flywheel sensor but I believe something mechanical happened in lifting the engine to replace the mounts but what? Any suggestions would be appreciated.
I have a 1989 240 that idled smoothly and ran well until I had the engine mounts including the transmission mount replaced by a local shop (I don't have a lift). I used new Volvo brand parts from FCP. When the car was returned it idles rough and at any engine speed is coarse or rough running. It starts easily and idles at the normal RPM speed, accelerates well but clearly is VERY different. It vibrates badly at idle but no missing or skipping or surging. I can't see any obvious installation errors. The work did shift the engine position a tiny bit and the tailpipe hits the frame on the right off and on. No error codes are in memory. I see no visible damage to O2 sensor or flywheel sensor but I believe something mechanical happened in lifting the engine to replace the mounts but what? Any suggestions would be appreciated.
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slramirez
2001-2013 model year XC70
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09-21-2021 02:39 PM
