diagnostic checklist 95 no start
6.5 Engine Diagnostic Troubleshooting Checklist
Copy and paste this checklist into a new post, then answer all the questions by typing in your data into the blanks as indicated - click in the middle of the blank, start typing.
Problem: Explain your problem in concise language (ie: Cranks but won’t fire). __________________cranks wont statr__________
Demographics: tell us about your truck and your ambient conditions:
- Year: __95____
- Truck model and class (ie: c2500) ___3500______
- Automatic or Standard _____standard_____
- Mileage: (indicate miles or km) ____180000mi_____
- Replaced parts and mods (IP, PMD, chip/PCM, TM, injectors etc) _____glow plug mod.______
- Model: ‘S’ or ‘F’ engine, NA or Turbo, EGR? _____turbo_________
- Ambient outside temp: (indicate *C or *F) _____35f_____
- What fuel are you using? (#1 Diesel, #2 Diesel, Bio, VO, WVO, etc) ____#1_____
- What fuel additives are you using? ___power service________
- Where are you located? _____mo.________
General maintenance: inspect and evaluate the condition of each. When were they last changed?
- Air filter ___ok______
- Fuel filter __ok_______
- CDR Valve? ___?______
- Coolant – last flushed/replaced at ____?_________
- Oil – synthetic/regular, changed at _____rotella 15-40______
- Batteries – state of charge, (matched set) replaced at ______ok_______
- Battery cables and grounds (removed, cleaned and tightened): _______ok_______
- Glow Plugs - how many miles on them? _____?____ What type? _____?________
- Injectors - last changed at ______?_________
History: (Describe how the problem first appeared.)
- What were you doing when it happened? ____just bought it not running__________
- How was the truck running fine before this problem appeared? _____________
- Has this problem ever happened before? _________?______________
- Describe any related factors that might be part of the problem. _____no glow plugs no fuel fuel guage way past full_________
- Have you checked for DTC (Diagnostic Trouble Codes)? (Y.N) _n___ And? ________
Diagnostics:
1] Starting:
1a] Does the engine start? ___n______
1b] Does the engine crank over? __y______
1c] Are your batteries fully charged? __y_______
1d] Have you removed, cleaned, and tightened all battery connections? ____y____
1e] Does your Wait to Start light come on for a time? How long? ____n_____
1f] Does your glow plug light come on? ____n_____ For how long? _________
1g] Do you see smoke from the exhaust while cranking? What color? ___n_____
2] Fuel Issues (if not running):
2a] Can you hear your lift pump working? ____y________
2b] Do you get a steady flow of fuel from the water drain (T-handle) ? ____y_____
2c] Loosen the inlet line from the IP – is fuel coming out (Lift Pump on)? ____y_______
2d] Loosen an injector line and crank the engine - does fuel come out? ____n_____
2e] Do you hear a vacuum (hiss) when you remove the fuel cap? ____tank has little pressure _______
3] PMD / IP Issues
3a] Location of PMD (on pump, on intake, remote mounted) _____pump______
3b] Condition of Extension harness (if used) Vendor or Homemade? _________
3c] Condition of grounds / ground wires to IP / PMD. Check Harness. ____all i found ok_____
3d] PMD Make: _____?______
3e] PMD Age: ______?_______
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)? _________
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? _______
5b] Any bubbles or oil film in coolant overflow tank? _______
5c] Any white slime on oil surfaces (dipstick, CDR, oil Fill cap)? __________
5d] Excessive white smoke from exhaust on cold start? _________
5e] Excessive black smoke from exhaust under hard acceleration? __________
6] Performance Issues
6a] Do you have gauges? ___________
6b] Maximum boost under load? ____________
6c] Have you added a performance PCM (reflash) or Chip? ______________
6d] Have you changed exhaust / downpipe / crossover? ________________
6e] Wastegate – mechanical or vacuum? ______________
7] Temperature-related Issues:
7a] Single or dual thermostats? ____________
7b] Have you replaced them lately? Manufacturer of replacements? _________
7c] Have you pulled and cleaned Radiator and coolers lately? ____________
7d] Have you replaced the fan clutch? Manufacturer of replacement? ________
7e] (winter) Have you tested your antifreeze? Good to what temp? __________
7f] (winter) Are you using a winter grille cover? ___________
