Questions & Answers for: runs rough when cold

...runs rough only when cold have a 1996 plymouth voyager that rus rough only when cold .have replaced temp sensor but no results still runs rough service eng light on? scan retrieve codes if no code ...

...runs very rough (as though not firing on all 4 cylinders) then after a minute it runs fine...spark plugs look clean... seem like you got the same problem as my scion xa, check the fuel pressure ...

runs rough and sometimes quits when first started? After it warms up it runs fine, rough idle while cold? Make sure all the glow plugs are working. if it runs high when you first start it then mellows

...runs very rough at start up when cold Caravan runs very rough at start up when cold after five min runs great. also expells black soot from exhaust on start up have you installed new plugs lately,if ...

runs rough 1998 DeVille Hard to cold start,runs rough cold,been in for service,they say all sensors are good.Fuel pump O.K.They can not fix Had another mechanic look at it ,As of now we are told there

runs rough when cold Engine runs rough when cold, but not every time I start it. Always runs fine when it achieves normal operating temperature. Have replaced the cold sensor. Very annoying - ...

...runs rough on cold start only. Car runs rough and stalls on cold start only. After warm up car will run perfectly all day no matter how long it's left off. may be leaking or you need a new ...

runs rough when cold runs rough and no power until normal operating tem is reached no power until normal operating temp is reached misfire cold. ever tune it up. sparkplugs can fail when cold and rich

...rough running but that kills motor. Will restart with great difficulty. Carbs OK. Exiting water stream doesn't feel hot. Hi Roderick: I'm not familiar with your engine configuration, but on some of ...

runs roughly when started 1997 bravada There are numerous things that can cause a rough run when started. Is it during a cold start? Possible leaking fuel injectors or intake manifold/vacuum leak for ...