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Old November 30th, 2007, 16:22
Ecomike's Avatar
Ecomike Ecomike is offline
NAXJA# 2091
Join Date: Dec 2006
Location: MilkyWay Galaxy
Posts: 15,367
96 OBD II engine misfire codes and rough idle

I need some ideas guys! My sons Ford Taurus, 96 lost the coolant recently due to a hose rupture. We fixed that. Now it wants to throw random cylinder # misfire codes, and it idles real rough especially when its cold, first start of the day. The idle smooths out when it warms up, and it stops throwing codes once it is good and hot!
I have a code scanner, and I have cleared the codes, and run it hot and cold, running tests in the driveway in gear and in park after clearing the codes. Only codes it has thrown so far are engine missfire cylinder numbers, and not always the same cylinder. It also posted a single Cl-fault on fuel system #2 once, but has not repeated that code since I cleared it.


My problem is I think it is the HV coil or secondary system, wires or ECM for the spark based on some other tests ( Iam planing more tests there right now), but it started right after it overheated???

Any good Ideas out there???

Oh, And just pretend it is a 96 Jeep 6 banger I am asking about!
Quote=8Mud: "Go ahead and put up the best fence you can build, I'll bet on some Mexican with a few dollars of nails and a pile of scrap lumber."
34 MPG , '85 2WD Cherokee Pioneer with custom installed, 64 hp, 2.2 L Nissan SD22 Diesel 5 spd Manual; & 4 Renix XJs, '87 Wagoneer 4.0, 4WD, 89-Cherokee, 4WD, '87 Cherokee 2WD, & '89 Cherokee Pioneer 2WD, all 4dr. #2091
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