hard start when cold- z32 NA
03-31-2023, 05:16 PM
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hard start when cold- z32 NA
Good evening Z32 family,
I have a 94 Z32 with low miles which has a hard cold start. Once it starts, it stumbles for a few seconds and then runs completely fine. Engine pulls strong, idle is slightly lumpy. No codes in computer. I pulled the IACV and cleaned out, replaced the gasket (NOT a fun job), cleaned out air regulator & replaced the hose which connects both. No change. I have read some about fuel pump/pressure, but hoping to gain some feedback from the forum before I take any next steps. Thank you in advance for any advice.
I have a 94 Z32 with low miles which has a hard cold start. Once it starts, it stumbles for a few seconds and then runs completely fine. Engine pulls strong, idle is slightly lumpy. No codes in computer. I pulled the IACV and cleaned out, replaced the gasket (NOT a fun job), cleaned out air regulator & replaced the hose which connects both. No change. I have read some about fuel pump/pressure, but hoping to gain some feedback from the forum before I take any next steps. Thank you in advance for any advice.
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