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05-19-2020, 01:39 PM
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#1 |
 
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2019 SS LT1 to LT4 Fuel Issues
Has anyone done an LT4 HPFP and LT4 Injectors in a 2019 or 2020 SS yet?
Last edited by Mouse23; 05-20-2020 at 06:12 AM. |
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05-19-2020, 01:53 PM
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#2 |
        Drives: 17 Camaro SS 1LE & 16 Sierra AT CC Join Date: Nov 2016
Location: Norman, OK
Posts: 2,424
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Several have posted about it, the injectors are not an issue. It seems that GM has changed the plug on the HPFP and now uses a unique plug that differs from the LT1 to the LT4.
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2019 Corvette Z06 2LZ A8 - Halltech CAI, AWE non-catted X-pipe, Mamo V2 ported TB 592rwhp, bone stock 566rwhp
2017 Camaro SS 1LE - Procharger D1SC w/ Tial 2" BOV & Race intercooler / ARH full length catless headers / Alky meth injection system - 650rwhp on conservative tune SOLD |
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05-20-2020, 06:12 AM
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#3 | |
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Quote:
P00CA fuel pressure regulator solenoid supply voltage control circuit P0121 throttle/pedal position sensor A circuit range/performance Tuner thinks it the pump or harness, but haven't seen enough 2019 Whipple builds on here (or at least haven't been able to find) to see if any others had those codes. Prior to 2019 seems to be no issues at all. |
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06-16-2021, 01:42 PM
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#4 |
 
Drives: Chevy camaro ss Join Date: Oct 2020
Location: Florida
Posts: 27
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Hey boss I'm going through the same thing now, were you able to figure out what the problem was?
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