Demographics: tell us about your truck and your ambient conditions:
- Year: __93____
- Truck model and class (ie: c2500) ___k2500______
- Automatic or Standard ___standard_______
- Mileage: (indicate miles or km) __258000_______
- Replaced parts and mods (IP, PMD, chip/PCM, TM, injectors etc) ___wg wired shut, ho water pump.________
- Model: ‘S’ or ‘F’ engine, NA or Turbo, EGR? _____f_________
- Ambient outside temp: (indicate *C or *F) __80*-90* most days________
- What fuel are you using? (#1 Diesel, #2 Diesel, Bio, VO, WVO, etc) __#2_______
- What fuel additives are you using? ____none at the moment_______
- Where are you located? ___neb__________
General maintenance: inspect and evaluate the condition of each. When were they last changed?
- Air filter ___250K____3/09__
- Fuel filter ___258K___7/09___
- CDR Valve? ___229K__2/08____
- Coolant – last flushed/replaced at _______256K_4/09_____
- Oil – synthetic/regular, changed at ___rotella 15w40________
- Batteries – state of charge, (matched set) replaced at __replaced diehard platnum 3/09 good charge___________
- Battery cables and grounds (removed, cleaned and tightened): ____check 3/09__________
- Glow Plugs - how many miles on them? ___?______ What type? ______?_______
- Injectors - last changed at _____stock replacements 192K by po__________
History: (Describe how the problem first appeared.)
- What were you doing when it happened? ____accelerating__________
- How was the truck running fine before this problem appeared? ___good__________
- Has this problem ever happened before? _______no________________
- Describe any related factors that might be part of the problem. ______________
- Have you checked for DTC (Diagnostic Trouble Codes)? (Y.N) __N__ And? _______
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? _yes_______
1e] Does your Wait to Start light come on for a time? How long? ___dont have one______
1f] Does your glow plug light come on? ___8 sec or so______ For how long? _________
1g] Do you see smoke from the exhaust while cranking? What color? ________
4] Stalling Issues
4a] Do you experience stalling only when hot? ___it only stalls when i get into it and rev high (3000) just after it has been started _________
4b] Does it stall under particular circumstances? (ie hit bump, or on accel) _it has never dont it more than once while the truck was keep running and it dosent do it every start up _____
4c] Does pouring cool water over the IP seem to help with restarting? __havent tried_______
4d] Is stalling momentary (engine recovers)? __it will die and has to crank along time to restart_______
4e] Does SES light come on when engine hiccups? ___no______
4f] Does cruise control quit working when engine hiccups? ___never tried it________
4g] Does re-starting seem to reset engine, restoring cruise and power? __havent had happen with cruse on but it runs fine after it has restarted____
4h] Changes to dash lights or instruments during stalling events? ___nothing iv noticed________
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_______
5e] Excessive black smoke from exhaust under hard acceleration? ___normal_______
6] Performance Issues
6a] Do you have gauges? __yes egt and boost_________
6b] Maximum boost under load? __12-13__________
6c] Have you added a performance PCM (reflash) or Chip? _____na_________
6d] Have you changed exhaust / downpipe / crossover? __yes from ssd 3" dp 4" exs ______________
6e] Wastegate – mechanical or vacuum? ___stock but wired shut___________
7] Temperature-related Issues:
7a] Single or dual thermostats? _____single_______
7b] Have you replaced them lately? Manufacturer of replacements? __rep at 228500_______
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? __________
7f] (winter) Are you using a winter grille cover? ___________
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.
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