• Eldorado Driveability
• What does this code mean?
• anyone know how to remove the crankshaft pully 1990 deville 4.5
• Fuel Data Center Answers
• 1985 Eldorado Engine Died! help!
• 1994 Deville Running Rough
• Engine miss.......AGAIN
• 93 Seville 4.9 rough idle, slow response, P041 code
• A 4.X Water Pump Story - Not for the Faint of Heart
• Intake gaskets leaking...common problem on the 4.9?
• 4.9L 1991 Seville driving me crazy - won't start
• New member planning mods to 90 STS
• Stumbling on the on ramps 4.9
• 4.9 Pinging
• Advice/Help Please -- Goodyear Gave Up
• 4.5L TBI whistling
• 4.9 Engine Oil Capacity - 92 Seville
• PCV valve location on 4.9 litre.
• How important is the PCV?
• HT4100 Driveability Question/Problem
• 94 4.9 bypass siezed A/C compressor
• 4.1 v8 injector resistance
• Plug Wire Order-87 Ht4100
• intermittent miss and other weird happenings
• Ht4100 V8
• Is lifter tick normal on a 4.9?
• Normal??
• 4.9 Exhaust Note
• Coolant and Supplement Change Intervals
• Need help
• OIL cooler lines leaking
• engine oil
• dumb question, anyone know where the pcv is on a 4.9?
• Need a little help
• A/C Recharge
• No Spark
• Trans Fluid Capacity, '93 Deville, 4.9
• Coolant Questions
• Need transmission advice, please!
• Alternator issues
• HT4100 v8 frd eldorado
• Ht4100
• Not Sure What Engine I have
• Makes me nervous!
• HT4100 Hesitation Advice
• 1991 Seville
• HT 4100: Avoid at all costs????? Help!
• Anyone change a starter on a FWD 4100?
• Question about spark plugs!
• Changed PCV Valve at 98k Miles
• 1985 Eldorado thinks it a diesel?
• ac problems
• 4.9 Problems at Wide Open Throttle
• Eldorado and the 4.1 engine ... ????
• Speed Limiter
• Starter/voltage problem...
• engine swaps - 4500, 4900, 4100 engines
• Intermittent ISC? TPS? Problem still
• Service Engine Light
• tachometer [jumps] 4.9 Seville
• 4.9 shudder when at idle
• boost HP on a 4.9 in my 1992 seville
• honest mpg of 4.9 city driving survey
• 83 Coupe Deville hard code 33 problems
• Possible injector leaks?
• Out of no where, my 92 Eldo did not start today.
• I dread turning this car off!
• 4.9 instead of 4.5??
• 85 Deville 4100 Driveability
• HT4100 Engine 250V8
• Should I buy a car with a 4.1 L Engine?
• Calling all 4.5 PFI and 4.9 PFI Owners
• Tune-up questions, spark plugs
• Think i messed something up
• Help with and '89 Deville w/4.5L
• Ok ive given up on this engine.
• Mystery Grind in Transmission, Engine, Where?
• 88 cdv
• Solved What I thought was an exhaust rattle
• Need 2 things please...
• transmission bump on downshift
• tuning Questions for a 93 deville
• Oil test shows coolant contamination in 4.9!
• 4.1L Oil Cooler path through Radiator
• ISC motor 1993 Deville
• Setting Timing on '84 HT4100 4.1L
• Throttle Position Sensor Misadjusted
• A little help needed identifying a loose connector
• TPS Question
• 4.9 STILL runs rough sets codes
• Maitenance Questions, 4.9L 1993 Deville
• loud rumble now when stopping now
• Check Vehicle Light
• Can overheating a 4.9L once damage your headgaskets?
• Better intake for the 4.1L
• Car wont shift on its own but shifts manually
• Rocker Arm Support Part Problem-HELP?
• Mobil 1 10W30
• 4.9L: original red/blue A/C valve caps?
• Idle is too high now
• Slight fuel leak at TBI
• Anyone change the valve cover gaskets?
• High startup idle?
• 4.9 speed limiter...
• Oil Analysis: Proof is in the results
• indexing spark plugs
• Oil pan heater?
• gas leak from cannister (85 Eldorado)
• Coolant Supplement?
• The SEA FOAM experience thread.
• Why An Aluminum Block with Iron Heads?
• Think the engine/tranny would last?
• Problems w/ 4.9
• 88 DeVille fan continues to run after I turn it off
• 4.1/4100 Distributor Hold down- how to tighten???
• HT4100 Misfire Question
• 4.5L L (front) Cracked Header
• 4.1L.. What's the problem?
• car runs too rich didnt pass smog
• Alternator Issues--Please Help!
• Another Isc Question?
• What kind of ISC motor should i get?
• Best way to bleed the cooling system?
• 85 Deville TV Cable Adjustment
• Horrendous gas mileage
• ht4100 engine cleanup. how to?
• 85 Seville with 4.1 Engine: Buy or Run?
• 1985 deville runs great but
• serious help needed
• Failed smog test - high CO
• The continuing saga of my tranny problems...please help!
• keeps going like the energizer bunny
• Looking f/a 4100 4.1?
• 4.9 litre plug wire access problem.
• Need Help On Two More Things
• 1993 Deville power steering pump failure
• Fleetwood/DeVille Speedometer
• Serevice engine soon
• fuel injection??>??
• E055 OBD1 Code
• Chips
• Where Can I get some chips......
• 130 mph in a 4.9!
• 4.9L seville/deville fastchips or superchips performance chip
• Air Filter Question
• Your opinion of the 4.5L V8 in the 88 DeVille
• 4.9 Squeaking at Idle
• Engine mount - Any unique replacements?
• What senses the RPM on HT4100 engines?
• 86 Fleetwood engine swap
• 83 FWB Idle Problems
• Thoughts on the 4.5
• Restore Lubricants
• Frozen Pulley
• temp sensor
• oil
• 1992 seville 4.9 fuel filter location
• 4.5 water pump
• OMG water pump problem!
• Ignition Module issue
• Bad alternator in 93 Deville, need help
• Got a code do not know what or where to check
• weird SES and hard start problem
• Open Throttle Switch Signal E27
• Sputtering, loss of power when hot
• Need help 4.9 L Fuel Delivery problem
• Good old 83' Coupe Deville
• Tranny Slipping?
• part identification 4.9
• ECM software
• new cadillac seville owner coolant flush
• A.I.R. Pump 4.5l '89 Deville
• Throttle Body Plate issue
• Don't ask oil questions on this site.
• Bad Head Gasket 92 DeVille 4.9- Need opinion
• 1990 deville 4.5 air pump noisy
• Makes Me Happy!
• Strange Timing Issues
• where do i go from here
• The Ultimate FWD Cadillac Engine Swap
• 1985 deville died
• Code E48 diagnosis
• 1983 Caddy transmission
• Low oil pressure!
• 1985 Deville with a 4100 and it will not crank
• 1985 Deville with a 4100 and it will not crank
• codes ???please help
• 1989 Caddy Deville......
• Oil Cooler Lines Leaking
• 94 Deville has almost no power from start
• Stallling at idle
• Im Having Problems With My 86 Cadillac
• 4.5 Allante intake on 93 4.9 deville
• New Trouble Code
• Bypass Catalytic Converter on 1993 Deville?
• 1990 Seville Timing chain?
• 1989 Caddy Deville......help!!!
• 4.5 TBI rough idle
• Code and Coolant Prob.
• E012,E053 Won't run

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