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Search: Posts Made By: oldgringo
Showing results 1 to 25 of 47
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Forum: C4 Tech/Performance
04-26-2019, 10:41 AM
Replies: 4
Views: 454
Posted By oldgringo

1989 Bog on Acceleration

Ran the codes and got only a 15 - Coolant Sensor - High. Not sure that it would cause the engine hesitation but can replace it. Was odd though - when connecting pin A to Pin B to run codes, it turned...
Forum: C4 Tech/Performance
04-24-2019, 12:39 PM
Replies: 4
Views: 454
Posted By oldgringo

1989 Bog on Acceleration/Low

Replaced the hood on my 89 and in the process, wonder if I knocked something loose. When I started it up afterward, was very hard to start, and when it finally fired, it would bog when I tried to...
Forum: C4 Tech/Performance
04-24-2019, 12:38 PM
Replies: 1
Views: 263
Posted By oldgringo

1989 Bog on Acceleration/Low

Replaced the hood on my 89 and in the process, wonder if I knocked something loose. When I started it up afterward, was very hard to start, and when it finally fired, it would bog when I tried to...
Forum: C4 Tech/Performance
12-16-2017, 05:19 PM
Replies: 6
Views: 5,447
Posted By oldgringo

New water pump is leaking after a couple months....

New water pump is leaking after a couple months. Anybody installed an electric water pump on an 89 C4 (or an L48)?
Forum: C4 Tech/Performance
06-27-2017, 01:09 PM
Replies: 5
Views: 2,701
Posted By oldgringo

Diverter Hoses on 1989 Vette

I took pictures - but unfortunately, not of the area that I need. My main concern is how the pipe from the exhaust manifold that crosses in front of the engine to the unit by the A/C compressor,...
Forum: C4 Tech/Performance
06-26-2017, 08:33 PM
Replies: 5
Views: 2,701
Posted By oldgringo

Air Diverter Hoses

Any chance you can sent me the same/workable link? Can't find my FSM and have just replaced the water pump and not sure how my diverter hoses go back together.
Forum: C4 Tech/Performance
06-19-2017, 08:27 PM
Replies: 6
Views: 5,447
Posted By oldgringo

1989-c4-water-pump-replacement

"hidden support bracket on the bottom, hidden by the lower heater hose." - not something I had read about in any posts thus far, but will give it a shot

Much thanks.
Forum: C4 Tech/Performance
06-19-2017, 05:16 PM
Replies: 6
Views: 5,447
Posted By oldgringo

1989 C4 Water Pump Replacement

Have looked on available posts but can't seem to find what I need to get over this last hump. Have gotten most equipment (smog pump fuel lines, serpentine belt, large pulley on front of pump, etc),...
Forum: C4 Tech/Performance
08-31-2015, 01:07 PM
Replies: 34
Views: 19,302
Posted By oldgringo

1989 Cranks But Won't Start

Finally took it in to the shop. Eight new injectors later and a drained tank, plus a few incidentals (and $2200) - Vette runs like a champ, alternator charges, and A/C works. Now just have to put the...
Forum: C4 Tech/Performance
07-04-2015, 01:53 PM
Replies: 34
Views: 19,302
Posted By oldgringo

DEN14 - will give it a shot. BTW - Happy 4th and...

DEN14 - will give it a shot. BTW - Happy 4th and Happy BDay.
Forum: C4 Tech/Performance
07-04-2015, 01:01 PM
Replies: 34
Views: 19,302
Posted By oldgringo

1989 Cranks But Won't Start

Den14 - Replaced the fuel pump again this morning, as well as the fuel filter. Could hear the pump cycling on when I turned the key. Primed the plenum and got 20lbs of fuel pressure - car fired but...
Forum: C4 Tech/Performance
07-03-2015, 01:34 PM
Replies: 34
Views: 19,302
Posted By oldgringo

1989 Cranks But Won't Start

Two steps back. Got fuel pressure tester - but now, cannot hear the new fuel pump, and have no pressure. Can hear the new relay click, so will start back down the checklist again.:willy:
Forum: C4 Tech/Performance
06-02-2015, 01:08 PM
Replies: 34
Views: 19,302
Posted By oldgringo

Continuing the process. Replaced fuel pump and...

Continuing the process. Replaced fuel pump and can now hear the pump priming, etc when the key is on. Still won't fire. Have no been able to check pressure on rail yet but will replace fuel filter...
Forum: C4 Tech/Performance
05-29-2015, 06:56 PM
Replies: 34
Views: 19,302
Posted By oldgringo

Began the debugging from the replies. Checked the...

Began the debugging from the replies. Checked the obvious first - FP fuse is good! Second, shot fuel into the plenum. Car starts, runs from injected fuel, then dies. Injectors are working. Narrowing...
Forum: C4 Tech/Performance
05-27-2015, 09:06 AM
Replies: 34
Views: 19,302
Posted By oldgringo

Cliff - thanks for the blow by blow. Most of my...

Cliff - thanks for the blow by blow. Most of my cars have all been older (aka simpler!!) cars - manual fuel pumps, carbs, no ECMs, etc. Trying to teach an old dog new tricks can be a real challenge....
Forum: C4 Tech/Performance
05-26-2015, 09:26 AM
Replies: 34
Views: 19,302
Posted By oldgringo

Lets try to eliminate VATS first. VATS has the...

Lets try to eliminate VATS first. VATS has the capability to disable both cranking and fuel injectors. Does VATS disable both. i.e., since mine cranks, could it still disable the injectors? Does...
Forum: C4 Tech/Performance
05-25-2015, 05:15 PM
Replies: 34
Views: 19,302
Posted By oldgringo

1989 Cranks But Won't Start

Cranks but won't start. Security flashes with door open - off otherwise. Have dash mostly apart tracking down grounds (tree broke glass, water got in dash, etc). Everything repaired but had 'random'...
Forum: C4 Tech/Performance
02-09-2013, 06:38 PM
Replies: 1
Views: 395
Posted By oldgringo

'89 Cranks - Won't Fire (75000 miles)

Car ran OK unto tree fell on it. Broke out all the glass but would still start OK. Had been tracking down electrical problem (wouldn't charge - bad ground, probably) and ran into another problem. Now...
Forum: C4 Tech/Performance
02-02-2013, 11:40 AM
Replies: 2
Views: 1,286
Posted By oldgringo

Optispark or Water in Gas on '95 LT1

Got a problem that I am having trouble diagnosing on my '95 LT1, 6 spd, 190K miles. Symptoms are multiple but not all at the same time: sluggish (like a bad accelerator pump if it had a carb), runs...
Forum: C4 Tech/Performance
01-04-2013, 01:26 PM
Replies: 5
Views: 1,692
Posted By oldgringo

Nice to have some good news. Now, focusing only...

Nice to have some good news. Now, focusing only on this problem, I just have to figure out how to get the car up on my ramps - which obviously are too steep for the Vette. Might try the old '2x6 in...
Forum: C4 Tech/Performance
01-04-2013, 12:39 PM
Replies: 5
Views: 1,692
Posted By oldgringo

'95 LT1 Kickback on Startup

Seen a few posts of this problem but no real solutions. Problem started recently (last few weeks - about the same time as my high idle problem, although probably not related). Problem symptoms...
Forum: C4 Tech/Performance
12-31-2012, 09:13 AM
Replies: 13
Views: 6,449
Posted By oldgringo

I have the FSM - but only Vol 1, so I miss alot...

I have the FSM - but only Vol 1, so I miss alot of these type tips. Have driven the car for a day, and idle is still around 1500. Will run through the listed procedure, just in case. Question about...
Forum: C4 Tech/Performance
12-30-2012, 03:28 PM
Replies: 13
Views: 6,449
Posted By oldgringo

Replaced IAC and TPS. Idle is down from a weekend...

Replaced IAC and TPS. Idle is down from a weekend high of almost 2000 now to about 1200-1300 - still pretty high. TPS (from Chevrolet) had instructions on how to set (Tech 1, etc), none of which I...
Forum: C4 Tech/Performance
12-15-2012, 12:21 PM
Replies: 13
Views: 6,449
Posted By oldgringo

Well, thoroughly cleaned throttle body, IAC and...

Well, thoroughly cleaned throttle body, IAC and all associated parts, replaced gaskets, etc, and re-installed. Problem still exists - might even be idling a bit higher. Assume that the next step is...
Forum: C4 Tech/Performance
12-08-2012, 10:34 AM
Replies: 13
Views: 6,449
Posted By oldgringo

Not having much luck here - finding it let alone...

Not having much luck here - finding it let alone fixing -and my FSM1 is not much help.

Am on the right side of the engine, on the side of the throttle body. Electrical connection removed, but...
Showing results 1 to 25 of 47
 
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