Under Load 2000 rpms shaking/missing
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Under Load 2000 rpms shaking/missing
Posting from my phone. Please excuse the terrible format.
So I'm out on the highway and at first I noticed when accelerating the hills, my truck is missing... then I'm running 70mph and notice my truck is shaking/missing and its getting worse. I'm traveling at 2000 rpms and I let off the gas and drop to 60mph and a little lower rpms and notice it goes away. Back to 2000 and its shaking again. I repeat a few times and then suddenly, its shaking at all Rpms. I start going through the PIDs on my scan gauge and see Coolant temp at 200 (no thermostat installed, running distilled water prepping for a restore flush) and 202 for EOT.
Idling now
TFT 169
FLP 13.5
FMP 49.0
EBP 17.0
VFD 12.8
ICP 583
HPR 7.1
MAP 14.4
ICV .81
TFC .09
VGT 67
IA2 173
IPR 23.8
MFD 10.0
So I'm out on the highway and at first I noticed when accelerating the hills, my truck is missing... then I'm running 70mph and notice my truck is shaking/missing and its getting worse. I'm traveling at 2000 rpms and I let off the gas and drop to 60mph and a little lower rpms and notice it goes away. Back to 2000 and its shaking again. I repeat a few times and then suddenly, its shaking at all Rpms. I start going through the PIDs on my scan gauge and see Coolant temp at 200 (no thermostat installed, running distilled water prepping for a restore flush) and 202 for EOT.
Idling now
TFT 169
FLP 13.5
FMP 49.0
EBP 17.0
VFD 12.8
ICP 583
HPR 7.1
MAP 14.4
ICV .81
TFC .09
VGT 67
IA2 173
IPR 23.8
MFD 10.0
Lead Driver
Joined: Sep 2012
Posts: 7,830
Likes: 96
From: Manteca,Ca
Posting from my phone. Please excuse the terrible format.
So I'm out on the highway and at first I noticed when accelerating the hills, my truck is missing... then I'm running 70mph and notice my truck is shaking/missing and its getting worse. I'm traveling at 2000 rpms and I let off the gas and drop to 60mph and a little lower rpms and notice it goes away. Back to 2000 and its shaking again. I repeat a few times and then suddenly, its shaking at all Rpms. I start going through the PIDs on my scan gauge and see Coolant temp at 200 (no thermostat installed, running distilled water prepping for a restore flush) and 202 for EOT.
Idling now
TFT 169
FLP 13.5
FMP 49.0
EBP 17.0
VFD 12.8
ICP 583
HPR 7.1
MAP 14.4
ICV .81
TFC .09
VGT 67
IA2 173
IPR 23.8
MFD 10.0
So I'm out on the highway and at first I noticed when accelerating the hills, my truck is missing... then I'm running 70mph and notice my truck is shaking/missing and its getting worse. I'm traveling at 2000 rpms and I let off the gas and drop to 60mph and a little lower rpms and notice it goes away. Back to 2000 and its shaking again. I repeat a few times and then suddenly, its shaking at all Rpms. I start going through the PIDs on my scan gauge and see Coolant temp at 200 (no thermostat installed, running distilled water prepping for a restore flush) and 202 for EOT.
Idling now
TFT 169
FLP 13.5
FMP 49.0
EBP 17.0
VFD 12.8
ICP 583
HPR 7.1
MAP 14.4
ICV .81
TFC .09
VGT 67
IA2 173
IPR 23.8
MFD 10.0
vgt-73
ebp16
icpv1.0
icp625.5
some of these number are close but alittle off check wireing harness to ICP, under the grey clip close to the senser. with truck running you can also do a wiggle test.
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Posting Guru
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Lead Driver
Joined: Sep 2012
Posts: 7,830
Likes: 96
From: Manteca,Ca
you have the blue spring, need to see fuel pressure reading, also the other values seem a little off the readings some are more likely to be high rpm. any tunes? ps the scan gauge wont do fuel pressure there's no senser for it .
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Posting Guru
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It comes and goes. I haven't had any problems in a week or so, but ambient temps have been high 70s and raining. Today it was 96 when I left work. The last time I experienced this, the weather was hot and humid as well.
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Fuel and water sep changed 1500 miles ago. Replaced drain screw with brass. I have no EGR pids programmed. I'm still not at home, will post that info tomorrow. I haven't purchased a Fuel pressure gauge yet. Thanks for the help.
Fleet Mechanic
Joined: Aug 2012
Posts: 1,760
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It could be your EGR valve.
EGR Duty Cycle (Percent)
TXD: 07E022166E
RXF: 04620516066E
RXD: 3010
MTH: 006440000000 006440000000
NAM: EGR
KO=0 LI=0-15 HI=32 OR=0-44 %
EGR Throttle Position Control Signal
TXD: 07E022096C
RXF: 04620509066C
RXD: 3010
MTH: 00647FFF0000
NAM: ETP
EGR Valve Position (mm)
TXD: 07E022096A
RXF: 04620509066A
RXD: 3010
MTH: 000100010000
NAM: EVP
Note: EGR Valve Position in hundredths of a millimeter, where 0 mm indicates a closed EGR valve position.
EGR Valve Position Desired (%)
TXD: 07E02209D2
RXF: 0462050906D2
RXD: 3010
MTH: 00647FFF0000
NAM: EVD
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
EGR Valve Position Measured (%)
TXD: 07E02209FE
RXF: 0462050906FE
RXD: 3010
MTH: 00647FFF0000
NAM: EVM
Note: MEASURED EGR Valve Position, in %, where a low value indicates a closed EGR valve (0 EGR flow), and a high value indicates an open EGR valve.
KO=0 LI=0 HI=9.72 OR=0 - 14 PERCENT
EGR Valve Position (Volts 0-5)
TXD: 07E022167E
RXF: 04620516067E
RXD: 3010
MTH: 000133330000
NAM: EGV
KO=0.8 LI=0.8 -1.0 HI=1.3 OR=0.6 - 3.5 VOLT
EGR Duty Cycle (Percent)
TXD: 07E022166E
RXF: 04620516066E
RXD: 3010
MTH: 006440000000 006440000000
NAM: EGR
KO=0 LI=0-15 HI=32 OR=0-44 %
EGR Throttle Position Control Signal
TXD: 07E022096C
RXF: 04620509066C
RXD: 3010
MTH: 00647FFF0000
NAM: ETP
EGR Valve Position (mm)
TXD: 07E022096A
RXF: 04620509066A
RXD: 3010
MTH: 000100010000
NAM: EVP
Note: EGR Valve Position in hundredths of a millimeter, where 0 mm indicates a closed EGR valve position.
EGR Valve Position Desired (%)
TXD: 07E02209D2
RXF: 0462050906D2
RXD: 3010
MTH: 00647FFF0000
NAM: EVD
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
EGR Valve Position Measured (%)
TXD: 07E02209FE
RXF: 0462050906FE
RXD: 3010
MTH: 00647FFF0000
NAM: EVM
Note: MEASURED EGR Valve Position, in %, where a low value indicates a closed EGR valve (0 EGR flow), and a high value indicates an open EGR valve.
KO=0 LI=0 HI=9.72 OR=0 - 14 PERCENT
EGR Valve Position (Volts 0-5)
TXD: 07E022167E
RXF: 04620516067E
RXD: 3010
MTH: 000133330000
NAM: EGV
KO=0.8 LI=0.8 -1.0 HI=1.3 OR=0.6 - 3.5 VOLT
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