Cold star

90

Asked by Kevincrum Dec 01, 2018 at 02:17 PM about the 1999 Jeep Grand Cherokee Laredo 4WD

Question type: General

Upgraded my fuel injectors and now my 99 wj has
rough idle when cold but runs fine after it's warmed
up....I replaced the map/tps sensor still no change

1 Answer

157,605

If it ran correctly before you messed with it, put the old parts back in and leave it alone.

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