ERROR CODE alert!!
02-11-2004, 08:29 PM
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Car: 87 Firebird (Hasselhoff special)
Engine: 2.8L of PURE STOCK POWER
ERROR CODE alert!!
I was driving along when my car decided to sputter and die. Luckily enough I had the code reader in my car (which i was going to return, not anymore). Checked the code and out came 42, and 54. Whats my problem?
02-11-2004, 08:51 PM
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Car: 1989 Iroc-Z
Engine: 5.7L TPI
Transmission: 700R4
Hello Sixbanger,
Code 42 = Electronic Spark Timing circuit
Code 54 = Fuel pump Circuit (Low Voltage)
The code 42 means you have a possible short or open ground in the EST or bypass circuits.
The code 54 means you have either a defective fuel pump relay or the fuel pump voltage is lost while the engine is running.
Code 42 = Electronic Spark Timing circuit
Code 54 = Fuel pump Circuit (Low Voltage)
The code 42 means you have a possible short or open ground in the EST or bypass circuits.
The code 54 means you have either a defective fuel pump relay or the fuel pump voltage is lost while the engine is running.
02-11-2004, 10:55 PM
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Car: '86 Camaro SC, '16 QX60
Engine: 2.8 V6 POWER, 3.5L V6 N/A
Transmission: T-5, CVT
This means hope that the fuel pump relay is bad because anything else is going to be a nightmare to fix.
02-11-2004, 11:02 PM
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Car: 87 Firebird (Hasselhoff special)
Engine: 2.8L of PURE STOCK POWER
Can i get the fuel pump relay at the parts store or is it a junkyard piece? Anyone have a pic where it's located?
02-11-2004, 11:16 PM
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Car: '86 Camaro SC, '16 QX60
Engine: 2.8 V6 POWER, 3.5L V6 N/A
Transmission: T-5, CVT
You can get a new one at the parts store I'm pretty sure. I'm not sure which one is the fuel pump relay, but there's a bank of 3 (or so) relays on the firewall right in front of the driver's seat. Buy a Haynes manual, it costs $20, and it should tell you which one is the fuel pump relay. You should be able to test it just by hooking up the correct terminals to the battery.
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