Problem: Explain your problem in concise language (ie: Cranks but won’t fire). _Truck started running rough stumbling after doing this for a few miles the water in fuel and SES lights came on flickered a few times and went off truck started to improve. so i stopped in to a filling station and added Diesel 911 and fresh fuel.
Demographics: tell us about your truck and your ambient conditions:
- Year: __1995____
- Truck model and class (ie: c2500) __K2500_______
- Automatic or Standard __auto________
- Mileage: (indicate miles or km) _131K MI________
- Replaced parts and mods (IP, PMD, chip/PCM, TM, injectors etc) _ Relocated the PMD/FSD 6mo ago , 1 fuel filter 4mo ago second fuel filter n Lift pump few days ago__________
- Model: ‘S’ or ‘F’ engine, NA or Turbo, EGR? ____F__________
- Ambient outside temp: (indicate *C or *F) ___50-70*F_______
- What fuel are you using? (#1 Diesel, #2 Diesel, Bio, VO, WVO, etc) __winterized_______
- What fuel additives are you using? ___________
- Where are you located? ____WI_________
General maintenance: inspect and evaluate the condition of each. When were they last changed?
- Air filter ___Needs one bad______
- Fuel filter _just done________
- CDR Valve? ___?______
- Coolant – last flushed/replaced at ___few weeks ago_________
- Oil – synthetic/regular, changed at ___3K ago________
- Batteries – state of charge, (matched set) replaced at __fully charged matched Red tops___________
- Battery cables and grounds (removed, cleaned and tightened): _removed clean and retorqued___________
- Glow Plugs - how many miles on them? __1500_______ What type? ___Hot starts__________
- Injectors - last changed at _____?__________
History: (Describe how the problem first appeared.)
- What were you doing when it happened? _I had just started running 2 stroke oil in my fuel, i was low on fuel__________
- How was the truck running fine before this problem appeared? ___yes__________
- Has this problem ever happened before? ____a simular issue but nothing like it is now___________________
- Describe any related factors that might be part of the problem. ______________
- Have you checked for DTC (Diagnostic Trouble Codes)? (Y.N) _Not yet checking them tonight___ And? ________
Diagnostics:
1] Starting:
1a] Does the engine start? __yes then dies_______
1b] Does the engine crank over? _yes_______
1c] Are your batteries fully charged? __yes_______
1d] Have you removed, cleaned, and tightened all battery connections? ____yes____
1e] Does your Wait to Start light come on for a time? How long? _yes about 10-15 seconds________
1f] Does your glow plug light come on? __yes_______ For how long? __10-15 seconds_______
1g] Do you see smoke from the exhaust while cranking? What color? _very little if any_______
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? _not unless it fires up________
2e] Do you hear a vacuum (hiss) when you remove the fuel cap? ___yes________
3] PMD / IP Issues
3a] Location of PMD (on pump, on intake, remote mounted) __bumper_________
3b] Condition of Extension harness (if used) Vendor or Homemade? __Home made condition good just looked it over_______
3c] Condition of grounds / ground wires to IP / PMD. Check Harness. _PMD is ground wire harness is ground did not see one to the IP tho________
3d] PMD Make: __something Dyn_________
3e] PMD Age: __?___________
4] Stalling Issues
4a] Do you experience stalling only when hot? ___Hot or cold very randum_________
4b] Does it stall under particular circumstances? (ie hit bump, or on accel) __at idle or steady throttle____
4c] Does pouring cool water over the IP seem to help with restarting? ___never tried______
4d] Is stalling momentary (engine recovers)? __some times_______
4e] Does SES light come on when engine hiccups? __yes_______
4f] Does cruise control quit working when engine hiccups? __No_________
4g] Does re-starting seem to reset engine, restoring cruise and power? ___No______
4h] Changes to dash lights or instruments during stalling events? __they flicker before stalling then stay on steady at stall_________
5] Running Issues
5a] On cold start, does upper rad hose get hard before engine warms up? __?_____
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_______
5e] Excessive black smoke from exhaust under hard acceleration? ___faint_______
6] Performance Issues
6a] Do you have gauges? ___yes________
6b] Maximum boost under load? ___not sure_________
6c] Have you added a performance PCM (reflash) or Chip? ___No___________
6d] Have you changed exhaust / downpipe / crossover? ____No____________
6e] Wastegate – mechanical or vacuum? ___Vac___________
7] Temperature-related Issues:
7a] Single or dual thermostats? ___single_________
7b] Have you replaced them lately? Manufacturer of replacements? _yes AC delco 195*F________
7c] Have you pulled and cleaned Radiator and coolers lately? __yes__________
7d] Have you replaced the fan clutch? Manufacturer of replacement? __no______
7e] (winter) Have you tested your antifreeze? Good to what temp? __yes -50*F________
7f] (winter) Are you using a winter grille cover? _No__________
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.
Mikey try this
