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gmbellew's latest activity
G
gmbellew
replied to the thread
Should my TBI's fuel pressure act like this?
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the pressure regulator controls the pressure between the pump and the regulator that feeds the injectors. it bleeds off any excess...
Jul 2, 2024
G
gmbellew
replied to the thread
HELP!! 1991 K5 TBI
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code 42 is usually a bad ICM, or stray voltage somehow getting to the white (EST) or tan/black (bypass), or an open or short (sounds...
Jun 29, 2024
G
gmbellew
replied to the thread
Diagnosing A/C not recirculating on mac
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On mine, there is a noticeable difference in the sound of the air when on Max and the door switches from fresh air to recirculate air...
Jun 28, 2024
G
gmbellew
replied to the thread
Now we move into desperation territory (seeking advice)...
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There might be a sticker under the dash by the ECM that has the number in case somebody installed the wrong one? But I'd think you'd...
Jun 25, 2024
G
gmbellew
replied to the thread
A/C only works when driving!?
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It sounds like it is likely electrical, and could be the motor or an alternator issue. But next time try to see if you can get under the...
Jun 25, 2024
G
gmbellew
replied to the thread
Should my TBI's fuel pressure act like this?
.
right after key on, yes. it primes for 2-3 sec when key on and then the pump turns off. I don't know if it should drop to 0 during...
Jun 25, 2024
G
gmbellew
replied to the thread
A/C only works when driving!?
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Air is coming from the right places on those settings
Jun 24, 2024
G
gmbellew
replied to the thread
A/C only works when driving!?
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Are you missing the vac line that goes to the vacuum reservoir off of that T just downstream of the check valve. I dont recall my setup...
Jun 24, 2024
G
gmbellew
replied to the thread
A/C only works when driving!?
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not sure if the OP has specified if the blower stops or just the airflow out of the vent stops. also, try the blower on high because...
Jun 23, 2024
G
gmbellew
replied to the thread
Should my TBI's fuel pressure act like this?
.
turning the key to ON will prime the pump for a couple seconds. after the prime, the pressure will bleed off. not sure why the pressure...
Jun 23, 2024
G
gmbellew
replied to the thread
Help me determine location for these wires
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1 looks like the wire to test the fuel pump with 12v that bypasses the relay. 2 I am not sure. I might run out and check my 90 burb in...
Jun 22, 2024
G
gmbellew
replied to the thread
‘91 Suburban A/C Cooling Help
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I've messed with mine a bit, and i think the door is warped. So the vent settings are more like bilevel. Bilevel is like 75% floor. For...
Jun 21, 2024
G
gmbellew
replied to the thread
Heat/AC Blend Doors
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yes, make sure the vac lines go where they are supposed to go.
Jun 20, 2024
G
gmbellew
replied to the thread
Started then died. Started but feather the throttle
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could be module. could be a wiring harness issue, could be stray voltage from a cracked distributor cap, could be plug wire sitting on...
Jun 19, 2024
G
gmbellew
replied to the thread
Heat/AC Blend Doors
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you might have the vacuum lines on the wrong ports at the hvac controls?
Jun 19, 2024
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