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Looking for some Hemi help #3243691
07/11/24 02:37 PM
07/11/24 02:37 PM
Joined: Jul 2024
Posts: 1
Northern Il
J
Jmmay82 Offline OP
member
Jmmay82  Offline OP
member
J

Joined: Jul 2024
Posts: 1
Northern Il
2005 Jeep Grand cherokee 5.7 160,000 miles

started running like [censored] on Monday on like 4 cylinders
has 6 codes I can not clear
PO443 Evap purge 1 control Circuit
po645 A/C control circuit
PO622 generator field control circuit open
po499 Evap Canister vent Valve
PO403 EGR Control Circuit open
PO688 asd Main snese circuit

none of these codes seem to actually be the problem you can not clear them
using a snap on Modus it is not registering any misfires even with multiple coils unplugged
any help on where to go from hear is greatly appreciated I suspect the PCM but I dont like condemning modules and they are not readily available

using snap on modus for diagnostics

Re: Looking for some Hemi help [Re: Jmmay82] #3243971
07/12/24 05:49 PM
07/12/24 05:49 PM
Joined: Dec 2021
Posts: 1,296
Loudoun County, VA
Brad_Haak Offline
pro stock
Brad_Haak  Offline
pro stock

Joined: Dec 2021
Posts: 1,296
Loudoun County, VA
Probably better to look on Facebook for Jeep owners groups or something similar where you can post all the details. This is primarily a performance-oriented forum, not so much on trouble-shooting daily driver type issues. Thx


2021 Challenger 6.4L Scat Pack 1320
100% stock: 1.680, 11.894 at 113.75 (DA 175 ft)
weight reduction, wheels, tires, Hellcat air box: 1.661, 11.686 at 115.97 (DA 710 ft)

1973 Challenger 452 ci street/strip [2008]
pump gas, DOT radials: 1.454, 10.523 at 126.44 (DA 514 ft)
Re: Looking for some Hemi help [Re: Brad_Haak] #3244199
07/13/24 06:58 PM
07/13/24 06:58 PM
Joined: Jan 2003
Posts: 4,183
Canada -- Posts: 4034 -Registe...
5
5thAve Offline
Doesn't care what this says anyway
5thAve  Offline
Doesn't care what this says anyway
5

Joined: Jan 2003
Posts: 4,183
Canada -- Posts: 4034 -Registe...
You might get help in the general section here with your vehicle in the title. There are some knowledgeable jeep and newer Chrysler people around. This place isn't all just for performance.







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