Problem: Explain your problem in concise language
started smoking white at start up, and would go away after a few seconds, now smokes white none stop, the morning after gettinga code 78 (have had a turbo master for 40k miles)
Demographics: tell us about your truck and your ambient conditions:
- Year: 1994
- Truck model and class (ie: c2500) K3500
- Automatic or Standard Auto
- Mileage: (indicate miles or km) 220,000 on truck, about 40,00 or 50,00 on motor
- Replaced parts and mods (IP, PMD, chip/PCM, TM, injectors etc) all stock other then TM and PMD under bumper
- Model: ‘S’ or ‘F’ engine, NA or Turbo, EGR? F
- Ambient outside temp: (indicate *C or *F) 70F
- What fuel are you using? (#1 Diesel, #2 Diesel, Bio, VO, WVO, etc) pump diesel
- What fuel additives are you using? none
- Where are you located? canton ohio
General maintenance: inspect and evaluate the condition of each. When were they last changed?
- Air filter 10k
- Fuel filter 3k
- CDR Valve? 50k
- Coolant – last flushed/replaced at 50k
- Oil – synthetic/regular, changed at rotella 15/40
- Batteries – state of charge, (matched set) replaced at 3 years old, and good
- Battery cables and grounds (removed, cleaned and tightened): 4 months
- Glow Plugs - how many miles on them? 50k What type? unsure
- Injectors - last changed at new with motor/50k
History: (Describe how the problem first appeared.)
- What were you doing when it happened? started it
- How was the truck running fine before this problem appeared? slight white smoke for a few seconds at start, now constant
- Has this problem ever happened before? no
- Describe any related factors that might be part of the problem. un sure
- Have you checked for DTC (Diagnostic Trouble Codes)? (Y.N) yes, code 78
Diagnostics:
1] Starting:
1a] Does the engine start? yes
1b] Does the engine crank over? yes
1c] Are your batteries fully charged? yes
1d] Have you removed, cleaned, and tightened all battery connections? no
1e] Does your Wait to Start light come on for a time? How long? yes, and same amount as before
1f] Does your glow plug light come on? _see above
1g] Do you see smoke from the exhaust while cranking? What color? white, but starts right up
1h] Does the Service Engine Light Glow during Start/bulb check? yes
2] Fuel Issues (if not running):
2a] Can you hear your lift pump working? yes
2b] Do you get a steady flow of fuel from the water drain (T-handle) ? yes
2c] Loosen the inlet line from the IP – is fuel coming out (Lift Pump on)? yes
2d] Loosen an injector line and crank the engine - does fuel come out? havnt tried
2e] Do you hear a vacuum (hiss) when you remove the fuel cap? no
3] PMD / IP Issues
3a] Location of PMD (on pump, on intake, remote mounted) heat seak under bumper
3b] Condition of Extension harness (if used) Vendor or Homemade? new from vendor
3c] Condition of grounds / ground wires to IP / PMD. Check Harness. good
3d] PMD Make: stydadyne
3e] PMD Age: unsure
4] Stalling Issues
4a] Do you experience stalling only when hot?
4b] Does it stall under particular circumstances? (ie hit bump, or on accel) ______
4c] Does pouring cool water over the IP seem to help with restarting? _________
4d] Is stalling momentary (engine recovers)? _________ dose NOT stall
4e] Does SES light come on when engine hiccups? _________
4f] Does cruise control quit working when engine hiccups? ___________
4g] Does re-starting seem to reset engine, restoring cruise and power? _________
4h] Changes to dash lights or instruments during stalling events? ___________
5] Running Issues
5a] On cold start, does upper rad hose get hard before engine warms up? no
5b] Any bubbles or oil film in coolant overflow tank? no
5c] Any white slime on oil surfaces (dipstick, CDR, oil Fill cap)? no
5d] Excessive white smoke from exhaust on cold start? yes, and does not go away when warm
5e] Excessive black smoke from exhaust under hard acceleration? no
6] Performance Issues
6a] Do you have gauges (boost, EGT) ? boost, egt, and trans
6b] Maximum boost under load? 12
6c] Have you added a performance PCM (reflash) or Chip? no
6d] Have you changed exhaust / downpipe / crossover? dyemiond eye 3 inch down pipe, 4 inch with muffler back
6e] Wastegate – mechanical or vacuum (OEM)? TM
7] Temperature-related Issues:
7a] Single or dual thermostats? single
7b] Have you replaced them lately? Manufacturer of replacements? approx 5k ago
7c] Have you pulled and cleaned Radiator and coolers lately? approx 5k ago
7d] Have you replaced the fan clutch? Manufacturer of replacement? duramax fan
7e] (winter) Have you tested your antifreeze? Good to what temp? -20"ish" F
7f] (winter) Are you using a winter grille cover? not currently
List and describe any other factors which are not addressed in this checklist. We can’t see, hear, smell, or touch your truck, so the more descriptive information you can give, the more likely it is that somebody can assist you.
does this sound like a injector/IP? or diesel line? idles very rough, the motor "rocks" back and forth, white smoke goes away some when worm, but always still there. On the IP, witch is the return line? any ideas? Or anyone want to buy a truck?
started smoking white at start up, and would go away after a few seconds, now smokes white none stop, the morning after gettinga code 78 (have had a turbo master for 40k miles)
Demographics: tell us about your truck and your ambient conditions:
- Year: 1994
- Truck model and class (ie: c2500) K3500
- Automatic or Standard Auto
- Mileage: (indicate miles or km) 220,000 on truck, about 40,00 or 50,00 on motor
- Replaced parts and mods (IP, PMD, chip/PCM, TM, injectors etc) all stock other then TM and PMD under bumper
- Model: ‘S’ or ‘F’ engine, NA or Turbo, EGR? F
- Ambient outside temp: (indicate *C or *F) 70F
- What fuel are you using? (#1 Diesel, #2 Diesel, Bio, VO, WVO, etc) pump diesel
- What fuel additives are you using? none
- Where are you located? canton ohio
General maintenance: inspect and evaluate the condition of each. When were they last changed?
- Air filter 10k
- Fuel filter 3k
- CDR Valve? 50k
- Coolant – last flushed/replaced at 50k
- Oil – synthetic/regular, changed at rotella 15/40
- Batteries – state of charge, (matched set) replaced at 3 years old, and good
- Battery cables and grounds (removed, cleaned and tightened): 4 months
- Glow Plugs - how many miles on them? 50k What type? unsure
- Injectors - last changed at new with motor/50k
History: (Describe how the problem first appeared.)
- What were you doing when it happened? started it
- How was the truck running fine before this problem appeared? slight white smoke for a few seconds at start, now constant
- Has this problem ever happened before? no
- Describe any related factors that might be part of the problem. un sure
- Have you checked for DTC (Diagnostic Trouble Codes)? (Y.N) yes, code 78
Diagnostics:
1] Starting:
1a] Does the engine start? yes
1b] Does the engine crank over? yes
1c] Are your batteries fully charged? yes
1d] Have you removed, cleaned, and tightened all battery connections? no
1e] Does your Wait to Start light come on for a time? How long? yes, and same amount as before
1f] Does your glow plug light come on? _see above
1g] Do you see smoke from the exhaust while cranking? What color? white, but starts right up
1h] Does the Service Engine Light Glow during Start/bulb check? yes
2] Fuel Issues (if not running):
2a] Can you hear your lift pump working? yes
2b] Do you get a steady flow of fuel from the water drain (T-handle) ? yes
2c] Loosen the inlet line from the IP – is fuel coming out (Lift Pump on)? yes
2d] Loosen an injector line and crank the engine - does fuel come out? havnt tried
2e] Do you hear a vacuum (hiss) when you remove the fuel cap? no
3] PMD / IP Issues
3a] Location of PMD (on pump, on intake, remote mounted) heat seak under bumper
3b] Condition of Extension harness (if used) Vendor or Homemade? new from vendor
3c] Condition of grounds / ground wires to IP / PMD. Check Harness. good
3d] PMD Make: stydadyne
3e] PMD Age: unsure
4] Stalling Issues
4a] Do you experience stalling only when hot?
4b] Does it stall under particular circumstances? (ie hit bump, or on accel) ______
4c] Does pouring cool water over the IP seem to help with restarting? _________
4d] Is stalling momentary (engine recovers)? _________ dose NOT stall
4e] Does SES light come on when engine hiccups? _________
4f] Does cruise control quit working when engine hiccups? ___________
4g] Does re-starting seem to reset engine, restoring cruise and power? _________
4h] Changes to dash lights or instruments during stalling events? ___________
5] Running Issues
5a] On cold start, does upper rad hose get hard before engine warms up? no
5b] Any bubbles or oil film in coolant overflow tank? no
5c] Any white slime on oil surfaces (dipstick, CDR, oil Fill cap)? no
5d] Excessive white smoke from exhaust on cold start? yes, and does not go away when warm
5e] Excessive black smoke from exhaust under hard acceleration? no
6] Performance Issues
6a] Do you have gauges (boost, EGT) ? boost, egt, and trans
6b] Maximum boost under load? 12
6c] Have you added a performance PCM (reflash) or Chip? no
6d] Have you changed exhaust / downpipe / crossover? dyemiond eye 3 inch down pipe, 4 inch with muffler back
6e] Wastegate – mechanical or vacuum (OEM)? TM
7] Temperature-related Issues:
7a] Single or dual thermostats? single
7b] Have you replaced them lately? Manufacturer of replacements? approx 5k ago
7c] Have you pulled and cleaned Radiator and coolers lately? approx 5k ago
7d] Have you replaced the fan clutch? Manufacturer of replacement? duramax fan
7e] (winter) Have you tested your antifreeze? Good to what temp? -20"ish" F
7f] (winter) Are you using a winter grille cover? not currently
List and describe any other factors which are not addressed in this checklist. We can’t see, hear, smell, or touch your truck, so the more descriptive information you can give, the more likely it is that somebody can assist you.
does this sound like a injector/IP? or diesel line? idles very rough, the motor "rocks" back and forth, white smoke goes away some when worm, but always still there. On the IP, witch is the return line? any ideas? Or anyone want to buy a truck?
